These are chat archives for FreeCodeCamp/HelpJavaScript

26th
Feb 2016
alpox
@alpox
Feb 26 2016 00:03
@gsc229 It seems that you try to figure out if there is another item like the one you got as parameter in the filter function but in the for you don't test if the index is the index which the variable "item" has in the array. So your filter function will always return true.
Greg
@gsc229
Feb 26 2016 00:04
@alpox I did that because without the adding the .split, when I did joinArss.indexOf(",") it gave me the index of a comma.
Dmytro Pechunka
@simon1400
Feb 26 2016 00:04

I do not understand what the problem.
A task: Sum all the prime numbers up to and including the provided number.
function sumPrimes(num) {

var mass = [];
for(var i = 1; i <= num; i++){
mass[i - 1] = i;
}

var newMass = [];

for(var j = 0; j < mass.length; j++){
if(mass[j] % 2 === 0){
newMass.push(mass[j]);
}
}

var result = 0;
for(var a = 0; a < newMass.length; a++){
result += newMass[a];
}

return result;

}

sumPrimes(10);

Greg
@gsc229
Feb 26 2016 00:04
@alpox cool thanks!
CamperBot
@camperbot
Feb 26 2016 00:04
gsc229 sends brownie points to @alpox :sparkles: :thumbsup: :sparkles:
:star: 56 | @alpox | http://www.freecodecamp.com/alpox
Dmytro Pechunka
@simon1400
Feb 26 2016 00:05
my result 30
it should be 17
alpox
@alpox
Feb 26 2016 00:05
@gsc229 joinAss.indexOf(",") doesnt seem to make much sense since you handle number arrays
A-Alex-A
@A-Alex-A
Feb 26 2016 00:06
@simon1400 how do you check a prime number?
Orestis Gklavas
@oglavas
Feb 26 2016 00:06
@gsc229 @alpox As I said, I would use concat() to merge the arrays
@simon1400 a prime number is one which is divisible only by 1 and itself
@simon1400 for example 1, 3,5,7. What you are checking for, is an EVEN number
Dmytro Pechunka
@simon1400
Feb 26 2016 00:08
understand!) how do I check for a prime number?
alpox
@alpox
Feb 26 2016 00:09
@oglavas Yes. Concat would be the way to go
Greg
@gsc229
Feb 26 2016 00:10
@oglavas the problem with using .concat() is that you don't know how many arrays will initially be thrown into the function. I know it says (arr1, arr2, arr3) but the exercise wants you to take on more arrays than whats just in the parameters of the function.
Orestis Gklavas
@oglavas
Feb 26 2016 00:10
@simon1400 Well, one way would be to try to divide the number you are checking with every number between 2 and num/2
@gsc229 and that's where the arguments.length property will come into play!
A-Alex-A
@A-Alex-A
Feb 26 2016 00:10
@simon1400 you can google for some algorithms or use straitforward approach - check if numbers below divides the number (or you can check only first half of the number)
Dmytro Pechunka
@simon1400
Feb 26 2016 00:11
I'm going to try now)
Greg
@gsc229
Feb 26 2016 00:12
@oglavas okay, that's fine I could do that but that's not where I'm having trouble, I've gotten all the arrs combined into one big one fine, but where I'm having trouble is filtering out the duplicates. Thnx for the help btw
CamperBot
@camperbot
Feb 26 2016 00:12
gsc229 sends brownie points to @oglavas :sparkles: :thumbsup: :sparkles:
:star: 316 | @oglavas | http://www.freecodecamp.com/oglavas
Orestis Gklavas
@oglavas
Feb 26 2016 00:14
@gsc229 You could push the "first appearances" of each number to a second array as you loop through the first one (a quick thought, can't remember how I did it)
alpox
@alpox
Feb 26 2016 00:15
@oglavas I see that i even came around concat in my solution
Orestis Gklavas
@oglavas
Feb 26 2016 00:17
@alpox Unfortunately I can't see my solution (it appears blank). Probably because my current session is on a different PC than the one I was working with
Norman Dela Cruz
@dcnr
Feb 26 2016 00:18
@oglavas If your solution passed and you've submitted it, it should be viewable on your profile unless you've disabled it
Orestis Gklavas
@oglavas
Feb 26 2016 00:20
@dcnr @alpox OK, I'm an idiot!!! I jumped into coding without touring the site much...I was going through the map to try and see my solutions...got it now!!!
alpox
@alpox
Feb 26 2016 00:21
@oglavas It seems i had a bit more overhead than you :D
Orestis Gklavas
@oglavas
Feb 26 2016 00:23
@alpox Oh, it depends...sometimes I get moments of clarity and sometimes my solutions are absolutely crappy!
Norman Dela Cruz
@dcnr
Feb 26 2016 00:25
eh I don't like my sorted union solution too :(
alpox
@alpox
Feb 26 2016 00:27
@oglavas Well sometimes mine are too :D And code style depends on if you want clarity or performance. Your solution is perfect for performance
Gaurav Singh
@the07
Feb 26 2016 00:28
I need help, can someone tell me if this is the right way.
  $(document).ready(function() {

    $("#getMessage").on("click", function(){
      // Only change code below this line.

      $.getJSON("http://quotesondesign.com/api/3.0/api-3.0.json", function(json) {
        $(".message").html(JSON.stringify(json));
      });

      // Only change code above this line.
    });

  });
alpox
@alpox
Feb 26 2016 00:30
@the07 looks okay but check that there are not more elements with the class "message" applied. Otherwise they will all get the same content
@the07 You usually use id's for elements which you have to address like that
Gaurav Singh
@the07
Feb 26 2016 00:30
Nope, just one element. But this does not work. Tried it with id’s as well
Orestis Gklavas
@oglavas
Feb 26 2016 00:32
OK, everybody...I have to get to bed (2.30am already!) Good night (or afternoon, or morning, depending on location)!
alpox
@alpox
Feb 26 2016 00:32
I have 1:30 :D
good night!
@the07 Did you try to request on page-load and just log the response for that you see if you get one?
Gaurav Singh
@the07
Feb 26 2016 00:33
@alpox for some reason it does not work.
alpox
@alpox
Feb 26 2016 00:34
@the07 It seems your url may be wrong for this purpose:
Blocked loading mixed active content "http://quotesondesign.com/api/3.0/api-3.0.json"
Robert Valmassoi
@valmassoi
Feb 26 2016 00:35
Can someone review my successful code for 'Friendly Date Range' (there is no wiki for it)?
This message was deleted

function friendly(arr) {
  var mo = ['January ', 'February ', 'March ', 'April ', 'May ', 'June ', 'July ', 'August ', 'September ', 'October ', 'November ', 'December '];//space after
  var dateOne= arr[0].split("-");
  var dateTwo= arr[1].split("-");
  var yrOne=dateOne[0];
  var yrTwo=dateTwo[0];
  var moOne=parseInt(dateOne[1], 10);//base ten: 07 becomes 7
  var moTwo=parseInt(dateTwo[1], 10);
  var dayOne=parseInt(dateOne[2], 10);
  var dayTwo=parseInt(dateTwo[2], 10);
  var strOne="";
  var strTwo="";
  var days = ['1st', '2nd', '3rd'];

  // ----- YEAR -----  //

  if(moTwo<=moOne && yrTwo-1==yrOne && yrOne==2016){//removes years 
    if(moTwo==moOne && dayTwo>dayOne){
    }else{
    yrOne = "";
    yrTwo = "";}
  }
  else if(yrTwo==yrOne && yrOne==2016){//removes years 
    yrOne = "";
    yrTwo = "";

  }
  else if(moTwo==moOne && yrTwo-1==yrOne){//removes year Two
    if(dayTwo<dayOne){
      yrOne = ", "+ yrOne;
      yrTwo = "";
    }
    if(dayTwo==dayOne){
      yrOne = ", "+ yrOne;
      yrTwo = ", "+ yrTwo;
    }
  }  
    else if(yrTwo==yrOne){//removes years 
    yrOne = ", " + yrOne;
    yrTwo = "";
  }
  else{//adds , space before year
    yrOne = ", " + yrOne;
    yrTwo = ", " + yrTwo;
  }


    // ----- MONTH -----  //


  moOne = mo[moOne-1];//converts to spelled out
  moTwo = mo[moTwo-1];

  if (moOne == moTwo && yrOne==yrTwo){//removes month two
    moTwo = "";
  }


    // ----- DAY -----  //

  if(dayOne<4){//1st 2nd 3rd 4th nth
    dayOne=days[dayOne-1];
  }else{
    dayOne+="th";
  }
  if(dayTwo<4){
    dayTwo=days[dayTwo-1];
  }else{
    dayTwo+="th";
  }

  // ---- COMBINE ---- //

  strOne = moOne + dayOne + yrOne;
  strTwo = moTwo + dayTwo + yrTwo;
 if (arr[0]==arr[1]){
   return [strOne];
 }else{  
  return [strOne, strTwo];
 }
}

friendly(["2017-03-01", "2017-05-05"]) ;
i just kept using if statements, I bet i could combine a few but is there a different way I was missing?
matthew3454
@matthew3454
Feb 26 2016 00:36
@alpox I almost figured it out but there is a one error left. The instructions say: palindrome("1 eye for of 1 eye.") should return false. Here is my code:
function palindrome(str) {
  // Good luck!


   str = str.toLowerCase().replace(/[^a-z]+/g,"");
   return str === str.split("").reverse().join("")
}




palindrome("eye");
alpox
@alpox
Feb 26 2016 00:36
@the07 I see the matter. Its the usual case. You have to request with dataType = "jsonp" -> use the $.ajax request instead of $.getJSON and put the dataType: "json" into the request object.
EmilVee
@EmilVee
Feb 26 2016 00:39
Alright, so can someone give me a nudge in the right direction for the Mutations bonfire?
function mutation(arr) {
  firstElement = arr[0].toLowerCase();
  secondElement = arr[1].toLowerCase();

  return count;
}

mutation(["hello", "hell"]);
matthew3454
@matthew3454
Feb 26 2016 00:39
I used a string extension approach for my code above.
Gaurav Singh
@the07
Feb 26 2016 00:39
@alpox Thanks I will try doing that.
CamperBot
@camperbot
Feb 26 2016 00:39
the07 sends brownie points to @alpox :sparkles: :thumbsup: :sparkles:
:star: 57 | @alpox | http://www.freecodecamp.com/alpox
alpox
@alpox
Feb 26 2016 00:40
@matthew3454 numbers have to be included, as well as letters. Don't replace them and you're fine
matthew3454
@matthew3454
Feb 26 2016 00:41
@alpox Do you mean the previous regular expresions I was using as arguments?
alpox
@alpox
Feb 26 2016 00:42
@matthew3454 Sorry, i cannot follow you. What is with arguments?
matthew3454
@matthew3454
Feb 26 2016 00:43
The feeling is mutual. Could you just type me the code that I'm missing?
alpox
@alpox
Feb 26 2016 00:43
@EmilVee The beginning is fine. Try now to look up if every letter in the secondElement is included in the firstElement
daiwik
@daiwik
Feb 26 2016 00:43
$("document").ready(function(){
  var longitude = 0;
  var latitude = 0;
  var apiLink = "";
  function getCoords(){
    navigator.geolocation.getCurrentPosition(function(position){    
    longitude = position.coords.longitude;
    latitude = position.coords.latitude;
    apiLink = "http://api.openweathermap.org/data/2.5/weather?lat=" + latitude + "&lon=" + longitude + "&appid=" + "bc17c49f463c04276781b5f2c35e82a8";
      console.log("apiLink");
    });
  }

  $.getJSON(apiLink,function(){
    console.log("succes");
  })
   $.getJSON( "example.json", function() {
  console.log( "success" );
})
  .done(function() {
    console.log( "second success" );
  })
  .fail(function() {
    console.log( "error" );
  });

});
I am always getting error can anyonehelp
matthew3454
@matthew3454
Feb 26 2016 00:43
function palindrome(str) {
  // Good luck!


   str = str.toLowerCase().replace(/[^a-z]+/g,"");
   return str === str.split("").reverse().join("");
}




palindrome("eye");
alpox
@alpox
Feb 26 2016 00:44
@matthew3454 I'm not going to solve things for you :-) But now in your regexp you are replacing everything which is not a lowercase-letter. But you should not return uppercase or numbers
Norman Dela Cruz
@dcnr
Feb 26 2016 00:44
@matthew3454 by doing /[^a-z]+/ you also removed the numbers. You're only supposed to remove punctuation and spaces.
Moisés Man
@moigithub
Feb 26 2016 00:44
@EmilVee u need to check if every char from first word is on second.. ie.
hello:::
h is on "hell"
e is on "hell"
l is on "hell"
o is on "hell" <-- this fail
so if at least one fail.. then ur function should return false.. cuz not ALL char from first is on second
matthew3454
@matthew3454
Feb 26 2016 00:45
@dcnr okay. What should I do instead?
\w?
Norman Dela Cruz
@dcnr
Feb 26 2016 00:45
@matthew3454 you should modify your regex pattern so it doesn't remove numbers too
alpox
@alpox
Feb 26 2016 00:45
@daiwik I suppose your variable "apiLink" is not defined when you make the request. you set it in the async function getCurrentPosition, which gets executed AFTER all the setup below it.
matthew3454
@matthew3454
Feb 26 2016 00:46
okay.
alpox
@alpox
Feb 26 2016 00:46
@matthew3454 no. read the parts in the MDN for [], [^] etc.
@matthew3454
[^xyz],
[^a-c]:
A negated or complemented character set. That is, it matches anything that is not enclosed in the brackets. 
You can specify a range of characters by using a hyphen, but if the hyphen appears as the first or last 
character enclosed in the square brackets it is taken as a literal hyphen to be included in the 
character set as a normal character.
matthew3454
@matthew3454
Feb 26 2016 00:48
@alpox alright thanks
CamperBot
@camperbot
Feb 26 2016 00:48
matthew3454 sends brownie points to @alpox :sparkles: :thumbsup: :sparkles:
:star: 58 | @alpox | http://www.freecodecamp.com/alpox
daiwik
@daiwik
Feb 26 2016 00:48
@alpox you are awesome thanks :D
CamperBot
@camperbot
Feb 26 2016 00:48
daiwik sends brownie points to @alpox :sparkles: :thumbsup: :sparkles:
:star: 59 | @alpox | http://www.freecodecamp.com/alpox
alpox
@alpox
Feb 26 2016 00:48
You're all welcome :-)
Eric
@Code-Eric
Feb 26 2016 00:48

function queue(arr, item) {
// Your code here
arr.push(item);
arr.shift(item);
arr.unshift();
return item; // Change this line
}

// Test Setup
var testArr = [1,2,3,4,5];

how do i return the original item back?
help unshift
CamperBot
@camperbot
Feb 26 2016 00:49

:point_right: challenge manipulate arrays with unshift() [wiki]

Manipulate Arrays With unshift()

myArray.unshift('Paul'); Basically you call unshift and pass what was deleted.

:pencil: read more about challenge manipulate arrays with unshift on the FCC Wiki

alpox
@alpox
Feb 26 2016 00:49
@Code-Eric better take a look at arr.shift()
Norman Dela Cruz
@dcnr
Feb 26 2016 00:50
@matthew3454
This is actually fine .replace(/[^a-z]+/g,"") you just have to account for the number range too. Did you make the [^a-z] part yourself?
Eric
@Code-Eric
Feb 26 2016 00:50
@alpox it isnt supposed to be item?
alpox
@alpox
Feb 26 2016 00:50
@Code-Eric
Array.shift()
"The shift() method removes the first element from an array and returns that element. This method changes the length of the array."
Richard Corbett
@reacorbett
Feb 26 2016 00:52
function findLongestWord(str) {

 var array = str.split(" "); 


  for(index = 0; index < array.length; index++){

  arr = array[index].length;

  }

  return arr;
}

findLongestWord("The quick brown fox jumped over the lazy dog");
return arr; gives me the length of the last word in my array. but I need the length of the longest word in my array. can someone push me in the right direction?
alpox
@alpox
Feb 26 2016 00:52
@reacorbett make a variable in which you can store the length and test it for if its bigger as the current in loop
I have the feeling that i'm the only one here answering questions :D but i wanted to go to bed!
Richard Corbett
@reacorbett
Feb 26 2016 00:53
@alpox go to bed.
Eric
@Code-Eric
Feb 26 2016 00:54
@alpox Im sorry I honestly dont get the significance of that. Is there anything I should go back to understand more? Or any other way you have of helping me?
alpox
@alpox
Feb 26 2016 00:55
@Code-Eric If the link i gave you doesnt help you, you should go back in the map and find something about how to use and call functions :-)
Eric
@Code-Eric
Feb 26 2016 00:58
@alpox Thank you! I understood what i was missing with that last link!
CamperBot
@camperbot
Feb 26 2016 00:58
code-eric sends brownie points to @alpox :sparkles: :thumbsup: :sparkles:
:star: 60 | @alpox | http://www.freecodecamp.com/alpox
alpox
@alpox
Feb 26 2016 00:58
@Code-Eric Great! :D
So that was it for me. I'm out! Have a good time :-)
Paul Brown
@paulbwd
Feb 26 2016 01:06
can anyone help me with seek and destroy please?
Richard Corbett
@reacorbett
Feb 26 2016 01:13
@alpox. I FINALLY GOT IT!!!!!!!!!! Thanks
CamperBot
@camperbot
Feb 26 2016 01:13
reacorbett sends brownie points to @alpox :sparkles: :thumbsup: :sparkles:
:star: 61 | @alpox | http://www.freecodecamp.com/alpox
Paul Brown
@paulbwd
Feb 26 2016 01:15
does anyone know how i can access the arguments array in a filter?
Moisés Man
@moigithub
Feb 26 2016 01:20
@paulbwd post ur code ?
Paul Brown
@paulbwd
Feb 26 2016 01:20
hi @moigithub
function destroyer(arr) {
  // Remove all the values
  var myArray = arr.filter(function(num){
    return num !== 2 &&
           num !== 3;
  });
    return myArray;
}

destroyer([1, 2, 3, 1, 2, 3], 2, 3);
i just dont understand how i can access the arguments array to replace the static numbers i have in there to test the function at the moment
Moisés Man
@moigithub
Feb 26 2016 01:21
@paulbwd every function has its own copy of arguments OBJect u access it like an array..
Dustin
@Key-Banger
Feb 26 2016 01:21
@paulbwd you can access each argument by just using it.
Paul Brown
@paulbwd
Feb 26 2016 01:22
thats what i mean tho, the filter has its own function?
Norman Dela Cruz
@dcnr
Feb 26 2016 01:22
@paulbwd if you want to use destroyer's arguments (inside filter), you would have to assign it another name/convert it/whatever as long as it's not named arguments
Moisés Man
@moigithub
Feb 26 2016 01:22
so arguments[0] will return [1, 2, 3, 1, 2, 3]
arguments[1] will return 2
arguments[2] will retur 3
Paul Brown
@paulbwd
Feb 26 2016 01:23
where does arguments[2] come from
Dustin
@Key-Banger
Feb 26 2016 01:23
@paulbwd
function destroyer(arr,a,b,c) {
  a = 2;
  b = 3;
}
destroyer([1, 2, 3, 1, 2, 3], 2, 3);
Moisés Man
@moigithub
Feb 26 2016 01:23
@paulbwd arguments is an object ... comes with javascript
Paul Brown
@paulbwd
Feb 26 2016 01:23
yes but the function only has 2 arguments
or was you just paraphrasing lol
Norman Dela Cruz
@dcnr
Feb 26 2016 01:24
@paulbwd it has 3 because of this
destroyer([1, 2, 3, 1, 2, 3], 2, 3);
                  ^           ^  ^
arguments         0           1  2
Moisés Man
@moigithub
Feb 26 2016 01:24
argumetns object contains a copy of whatever list of data u pass to ur funciton... even if not declared on the function header
Paul Brown
@paulbwd
Feb 26 2016 01:25
I see
so am i far off it?
Moisés Man
@moigithub
Feb 26 2016 01:26
so.. if u have a function example....
function hello() {   //   <-- without arguments on the ()
  console.log(arguments);
}
// test call
hello("one","2","three","4","five");
it will still output the list below.. (on the call )
Paul Brown
@paulbwd
Feb 26 2016 01:29
so will i need to make a new array that holds any arguments above 0
and thanks @moigithub and @dcnr for the pointers so far
CamperBot
@camperbot
Feb 26 2016 01:30
paulbwd sends brownie points to @moigithub and @dcnr :sparkles: :thumbsup: :sparkles:
:star: 669 | @moigithub | http://www.freecodecamp.com/moigithub
:star: 729 | @dcnr | http://www.freecodecamp.com/dcnr
Dustin
@Key-Banger
Feb 26 2016 01:32
@paulbwd without giving it all away, you don't really need to use the index of the argument to use it.
return num !== a
Sam Ringleman
@theRingleman
Feb 26 2016 01:32
@dcnr
function lookUp(firstName, prop){
// Only change code below this line
  var contact = false;
  var property = false;
  for(var i = 0; i < contacts.length; i++){
    if(firstName === contacts[i].firstName && contacts[i].hasOwnProperty(prop)){
      return contacts[i][prop];
    }else if(firstName === contacts[i].firstName){
      contact = "true";
    }else if(contacts[i][prop] === prop){
      property = "true";
    }
  }

  if(!contact){
    return "No such contact";
  }

  if(!property){
    return "No such property";
  }
// Only change code above this line
}
@dncr I finally got it!!!
Norman Dela Cruz
@dcnr
Feb 26 2016 01:32
@paulbwd since each function has its own arguments object, you would need to alias or turn your arguments object into an array so you can access it inside another (inner) function
@theRingleman nice! That's one way to do it :D congratulations!
Sam Ringleman
@theRingleman
Feb 26 2016 01:33
@dcnr Thank you sir I appreciate your help!!
CamperBot
@camperbot
Feb 26 2016 01:33
theringleman sends brownie points to @dcnr :sparkles: :thumbsup: :sparkles:
:star: 730 | @dcnr | http://www.freecodecamp.com/dcnr
Paul Brown
@paulbwd
Feb 26 2016 01:34
@dcnr yeah thats what i was hinting at
@Key-Banger I have no idea what you mean by that :S
Richard Corbett
@reacorbett
Feb 26 2016 01:37
How long until this becomes easier??
Norman Dela Cruz
@dcnr
Feb 26 2016 01:37
you're welcome, thank you too! @theRingleman
CamperBot
@camperbot
Feb 26 2016 01:37
dcnr sends brownie points to @theringleman :sparkles: :thumbsup: :sparkles:
:star: 233 | @theringleman | http://www.freecodecamp.com/theringleman
Norman Dela Cruz
@dcnr
Feb 26 2016 01:38
@reacorbett if it becomes easier, you have to find a way to make it harder again
Dustin
@Key-Banger
Feb 26 2016 01:38
@paulbwd
function destroyer(arr,a,b,c) {
  // Remove all the values
  var myArray = arr.filter(function(num){
    return num !== a;
  });
    return myArray;
}

destroyer([1, 2, 3, 1, 2, 3], 2, 3);
does that make a little more sense?
Paul Brown
@paulbwd
Feb 26 2016 01:43
ah yeah, I see what you mean now, I wondered why arr just held the first array
thanks @Key-Banger
CamperBot
@camperbot
Feb 26 2016 01:43
paulbwd sends brownie points to @key-banger :sparkles: :thumbsup: :sparkles:
:star: 316 | @key-banger | http://www.freecodecamp.com/key-banger
Paul Brown
@paulbwd
Feb 26 2016 01:44
so a, b, c would be the other arguments that i need to test for
Dustin
@Key-Banger
Feb 26 2016 01:44
@paulbwd here is a better visual like what @dcnr said earlier about arguments.
function destroyer(arr,a,b,c) {
}

destroyer([3, 5, 1, 2, 2], 2, 3, 5);
                  ^        ^  ^  ^
                 arr       a  b  c
Paul Brown
@paulbwd
Feb 26 2016 01:45
yeah I get it now, thanks a lot guys im sure i`ll get it done now before i go to bed lol
its quite obvious really, i was just thinking the whole thing was being passed into the arr parameter, which of course it isnt at all
Dustin
@Key-Banger
Feb 26 2016 01:47
@paulbwd you'll get it for sure now. Maybe even get another challenge done. ;)
Paul Brown
@paulbwd
Feb 26 2016 01:47
function destroyer(arr, a, b, c) {
  // Remove all the values
  myArgs = arguments;

  var myArray = arr.filter(function(num){
    return num !== a &&
           num !== b &&
           num !== c;
  });
    return myArray;
}

destroyer([1, 2, 3, 1, 2, 3], 2, 3);
sorted :D
ooops some left over code in there, i`ll whip that out but im happy now lol
Norman Dela Cruz
@dcnr
Feb 26 2016 01:50
@paulbwd while that works, you changed destroyer's signature by adding more parameters! It would be better if you restrict yourself to what's given to you and learn to use the arguments object :P
@paulbwd because you can't always change a function's argument list, say for example you're working with other's code, or using a library, or some such
Paul Brown
@paulbwd
Feb 26 2016 01:51
yeah, I was about to crack it the other way too ;)
but I learned a lot in that last 20 mins for my own future code writing so thanks guys much appreciated
Norman Dela Cruz
@dcnr
Feb 26 2016 01:53
awesome! :D
Dustin
@Key-Banger
Feb 26 2016 01:53
@dcnr I'm interested in knowing what you mean. Something using arguments.length and iterating through?
Paul Brown
@paulbwd
Feb 26 2016 01:54
night guys
Dustin
@Key-Banger
Feb 26 2016 01:54
Good night.
Norman Dela Cruz
@dcnr
Feb 26 2016 01:56
@Key-Banger you can look at my solution :D
It's basically just converting the arguments object to an array named args, then using filter on arr and removing the items that should be removed given by args
mlutso
@mlutso
Feb 26 2016 01:57

Hi. What's wrong in my code? i have error :"TypeError:Attempted to assign to readonly property."
var collection = {
2548: {
album: "Slippery When Wet",
artist: "Bon Jovi",
tracks: [
"Let It Rock",
"You Give Love a Bad Name"
]
},
2468: {
album: "1999",
artist: "Prince",
tracks: [
"1999",
"Little Red Corvette"
]
},
1245: {
artist: "Robert Palmer",
tracks: [ ]
},
5439: {
album: "ABBA Gold"
}
};

var collectionCopy = JSON.parse(JSON.stringify(collection));

function update(id, prop, value) {
if (prop === "tracks" && value !== "") {
collection[id][prop].push(value);
} else if (value !== ""){
collection[id][prop] = value;
} else {
delete collection[id][prop];
}

return collection;
}

update(5440, "artist", "ABBA");

Norman Dela Cruz
@dcnr
Feb 26 2016 01:58

@mlutso
you can format your code by doing
```js

<paste code here>
```

Those are 3 backquotes, the key above tab, left of 1, and below esc.
You can create a new line by shift+enter so to format it'll be:
```js (shift+enter)(paste code)(shift+enter) ```

Dustin
@Key-Banger
Feb 26 2016 01:58
@dcnr I'll check it out for sure. Thanks!
CamperBot
@camperbot
Feb 26 2016 01:58
key-banger sends brownie points to @dcnr :sparkles: :thumbsup: :sparkles:
:star: 731 | @dcnr | http://www.freecodecamp.com/dcnr
Richard Corbett
@reacorbett
Feb 26 2016 01:58
on the "Title Case a Sentence" challenge, should i be using regular expressions?
Norman Dela Cruz
@dcnr
Feb 26 2016 01:59
@mlutso your code passes for me, maybe try a browser refresh?
@reacorbett you can, but it's up to you!
Devin
@devblanchard
Feb 26 2016 01:59
so i am trying to figure out this golf code exercise out. i think i am right in assuming i need to chain several if/else if statements, but I am struggling to properly define the conditions. i thought they looked right, but it only works for the hole in one. any idea where i can get a better understanding of how i could write it?
Norman Dela Cruz
@dcnr
Feb 26 2016 02:00
@devblanchard hi will you post your code?

you can format your code by doing
```js

<paste code here>
```

Those are 3 backquotes, the key above tab, left of 1, and below esc.
You can create a new line by shift+enter so to format it'll be:
```js (shift+enter)(paste code)(shift+enter) ```

Devin
@devblanchard
Feb 26 2016 02:01
i have been trying different things so give me a second to get back to what i thought should work.
Eric
@Code-Eric
Feb 26 2016 02:01

I have been stuck on this for far too long, help!!!!
function queue(arr, item) {
// Your code here

arr.shift();
arr.push(item);

return r; // Change this line

prompt:Write a function queue which takes an array (arr) and a number (item) as arguments. Add the number to the end of the array, then remove the first element of array. The queue function should then return the element that was removed.

honestly, SOS.
Brian
@sludge256
Feb 26 2016 02:02
what does return r; do?
Collin
@collinferry
Feb 26 2016 02:02
Any reason why the following wouldn't work to ask, "is the first letter in this string upper case?"
if (str.charAt(0) == str.charAt(0).toUpperCase()) {};
Eric
@Code-Eric
Feb 26 2016 02:03
oh, that was my bad, its supposed to be return item
Norman Dela Cruz
@dcnr
Feb 26 2016 02:03
@sludge256 is that an avocado?!
Brian
@sludge256
Feb 26 2016 02:03
Yes
or a screaming green egg
take your pick
Collin
@collinferry
Feb 26 2016 02:03
@sludge256 I choose avocados because they're the most superior fruit
Eric
@Code-Eric
Feb 26 2016 02:03
i forgot to change that back.
I am stuck on trying to get it to retun the element of the array that was removed
Norman Dela Cruz
@dcnr
Feb 26 2016 02:04
I love avocados with condensed milk
Brian
@sludge256
Feb 26 2016 02:04
So arr.shift(); will remove the first element of an array
and it will also return that element
Eric
@Code-Eric
Feb 26 2016 02:04
yes
Brian
@sludge256
Feb 26 2016 02:04
but you're not assigning it to a variable
so it "disappears"
Eric
@Code-Eric
Feb 26 2016 02:05
ahh
mlutso
@mlutso
Feb 26 2016 02:05
@dcnr
i tried to refresh. it's not help.
which browser you use? i use Safari on Mac OS. maybe it's depend somehow?
Eric
@Code-Eric
Feb 26 2016 02:06
im pretty sure I tried that
but its not working

function queue(arr, item) {
// Your code here

arr.shift();
arr.push(item);

var disappear = arr.shift();
return disappear; // Change this line
}

or am i doing something incorrectly?
Moisés Man
@moigithub
Feb 26 2016 02:07
u "shifting" 2 times @Code-Eric
Norman Dela Cruz
@dcnr
Feb 26 2016 02:07

@mlutso hmm I'm on linux but it works on Firefox and Chrome for me, maybe you can RESET then refresh then just paste your function again?

function update(id, prop, value) {
  if (prop === "tracks" && value !== "") {
    collection[id][prop].push(value);
  }
  else if (value !== "") {
    collection[id][prop] = value;
  }
  else {
    delete collection[id][prop];
  }

  return collection;
}

your solution works for me

Devin
@devblanchard
Feb 26 2016 02:08
function golfScore(par, strokes) {
  // Only change code below this line
  if (1) {
    return "Hole-in-one!";
  } else if (par-2) {
    return "Eagle";
  } else if (par-1) {
    return "Birdie";
  } else if (par) {
    return "Par";
  } else if (par) {
    return "Bogey";
  } else if (par+2) {
    return "Double Bogey";
  } else

  return "Go Home!";
  // Only change code above this line
}

// Change these values to test
golfScore(5, 4);
I can't seem to wrap my head around how variables can work with the conditions.
Brian
@sludge256
Feb 26 2016 02:08
You'll want to compare the two variables against each other
Norman Dela Cruz
@dcnr
Feb 26 2016 02:09
@devblanchard you're supposed to compare strokes with par according to the table given
Eric
@Code-Eric
Feb 26 2016 02:09
@moigithub how do i unshift it then
mlutso
@mlutso
Feb 26 2016 02:09
@dcnr
thanks. it's work
CamperBot
@camperbot
Feb 26 2016 02:09
mlutso sends brownie points to @dcnr :sparkles: :thumbsup: :sparkles:
:star: 732 | @dcnr | http://www.freecodecamp.com/dcnr
Norman Dela Cruz
@dcnr
Feb 26 2016 02:09
nice! thanks too @mlutso
Moisés Man
@moigithub
Feb 26 2016 02:10
remove first shift statement should work @Code-Eric
so on ur code.. u only have 1 shift and 1 push
Devin
@devblanchard
Feb 26 2016 02:10
ok. i have been trying to do that a few different ways because it makes sense that i need to, but they haven't been working so far. i will keep working towards that. thanks @dcnr @sludge256
CamperBot
@camperbot
Feb 26 2016 02:10
devblanchard sends brownie points to @dcnr and @sludge256 :sparkles: :thumbsup: :sparkles:
:star: 1654 | @sludge256 | http://www.freecodecamp.com/sludge256
:star: 733 | @dcnr | http://www.freecodecamp.com/dcnr
Eric
@Code-Eric
Feb 26 2016 02:10
thank you very very much @moigithub
CamperBot
@camperbot
Feb 26 2016 02:10
code-eric sends brownie points to @moigithub :sparkles: :thumbsup: :sparkles:
:star: 670 | @moigithub | http://www.freecodecamp.com/moigithub
Brian
@sludge256
Feb 26 2016 02:10
@collinferry seems to work
https://repl.it/BqZn/0
Norman Dela Cruz
@dcnr
Feb 26 2016 02:10
good luck! and thanks too @devblanchard
CamperBot
@camperbot
Feb 26 2016 02:10
dcnr sends brownie points to @devblanchard :sparkles: :thumbsup: :sparkles:
:star: 201 | @devblanchard | http://www.freecodecamp.com/devblanchard
Collin
@collinferry
Feb 26 2016 02:12
@sludge256 great resource, thank you sir
CamperBot
@camperbot
Feb 26 2016 02:12
collinferry sends brownie points to @sludge256 :sparkles: :thumbsup: :sparkles:
:star: 1655 | @sludge256 | http://www.freecodecamp.com/sludge256
tia
@tvdeleon24
Feb 26 2016 02:14

hey guys. need some help with "adding default option in switch statements" here is my code. not sure what i'm doing wrong. sorry i couldn't screen shot. blahfunction myTest(val) {
var answer = "";
// Only change code below this line
switch(val){
case "a":
answer = "apple";
break;
}
switch(val){
case "b":
answer = "bird";
break;
}
switch(val){
case "c":
answer = "cat";
break;
}
switch (val){
case "d":
break;
default:
answer = "stuff";
}
switch (val){
case 4:
break;
default:
answer = "stuff";
}
}

// Change this value to test
myTest(4);

Brian
@sludge256
Feb 26 2016 02:18
You're not returning anything
David Jones
@Finesse-One
Feb 26 2016 02:20
Hello everyone I have a problem with one of my if else statement for the golf challenge. Everything seems to be right except for golfScore(4,5) which return "Bogey". If someone can point me in the right direction I would really appreciate it thanks.
js`

function golfScore(par, strokes) {
  // Only change code below this line
  if(strokes == 1){
    return "Hole-in-one!";
  }
  else if(strokes <= 2 && par <= 5){
    return "Eagle";
  }
  else if(strokes <= 3 && par <= 4){
    return "Birdie";
  }
  else if(strokes <= 5 && par <= 5){
    return "Par";
  }
  else if(strokes == 5 && par == 4 ){
    return "Bogey";
  }
  else if(strokes <= 6 && par <= 4){
    return "Double Bogey";
  }
  else if( strokes <= 9 && par <= 9){
    return "Go Home!";
  }


  return "Change Me";
  // Only change code above this line
}

// Change these values to test
golfScore(4 ,5);
`
tia
@tvdeleon24
Feb 26 2016 02:23
@sludge256 you are so right! must have accidentally deleted it. I inserted return answer; where it belongs. but now my a, b and c and returning "stuff".
are*
Brian
@sludge256
Feb 26 2016 02:25
@Finesse-One You should be comparing strokes and par against each other not against numbers
@tvdeleon24 You only need one switch statement that encompasses all the cases
David Jones
@Finesse-One
Feb 26 2016 02:26
well it seem to be working out so far but except for the one I have mentioned.
cannelflow
@cannelflow
Feb 26 2016 02:27
@sludge256 is right compare par against each other
@Finesse-One
@Finesse-One how you decided value of par and stroke
David Jones
@Finesse-One
Feb 26 2016 02:29
The logic I was thinking was if I was playing Gold, I would consider the amount of strokes it would take me to get to a particular hole.
Then I would compare the par to see if I went over par or under par.
cannelflow
@cannelflow
Feb 26 2016 02:32
@Finesse-One like if you pass golfScore(5, 4); par is 4 stroke is 5 and then let code decide
David Jones
@Finesse-One
Feb 26 2016 02:32
Remember this is just my reasoning, I could be totally wrong altogether.
cannelflow
@cannelflow
Feb 26 2016 02:32
@Finesse-One np
@Finesse-One so you have to compare par and strokes against each other
David Jones
@Finesse-One
Feb 26 2016 02:33
yes.
cannelflow
@cannelflow
Feb 26 2016 02:33
@Finesse-One and in your case you are comparing them against separate number
tia
@tvdeleon24
Feb 26 2016 02:33
@sludge256 thanks for the help! that helped me solved that. yay!
CamperBot
@camperbot
Feb 26 2016 02:33
tvdeleon24 sends brownie points to @sludge256 :sparkles: :thumbsup: :sparkles:
:star: 1658 | @sludge256 | http://www.freecodecamp.com/sludge256
David Jones
@Finesse-One
Feb 26 2016 02:34
yes.
As you mention above that I have compare par and strokes against each other, can you give me an example of this so I can understand better thanks.
cannelflow
@cannelflow
Feb 26 2016 02:38
first condition is strokes==1 then it says like strokes<=par-2 like that
and pls mention name while chat so that ppl can get notified
@Finesse-One
David Jones
@Finesse-One
Feb 26 2016 02:40
okay
cannelflow
@cannelflow
Feb 26 2016 02:44
@Finesse-One worked?
David Jones
@Finesse-One
Feb 26 2016 02:45
@cannelflow I
@cannelflow I am working as you speak.
cannelflow
@cannelflow
Feb 26 2016 02:45
@Finesse-One :+1:
Vincent Lingle-Munos
@valmunos
Feb 26 2016 02:53
hey can someone explain this to me? I'm working on the Exact Change algorithm, and it's doing something really weird on one of the tests.
Here's my code:
function drawer(price, cash, cid) {
  var change = cash - price;
  var increment = [0.01, 0.05, 0.10, 0.25, 1.00, 5.00, 10.00, 20.00, 100.00];
  var bills = 0;
  var count = 0;
  var ledger = [];
  for (i = 8; i >= 0; i--) {
    if (change >= increment[i] && cid[i][1] > 0) {
      bills = cid[i][1]/increment[i];
      count = bills;
      while (count > 0 && change > 0) {
        change = change - increment[i];
        if (change < 0) {
          change = change + increment[i];
          break;
        }
        count = count - 1;
      }
      ledger.push([cid[i][0], (bills-count)*increment[i]]);
    }
  }
  // Here is your change, ma'am.
  return ledger;
}

drawer(3.26, 100.00, [["PENNY", 1.01], ["NICKEL", 2.05], ["DIME", 3.10], ["QUARTER", 4.25], ["ONE", 90.00], ["FIVE", 55.00], ["TEN", 20.00], ["TWENTY", 60.00], ["ONE HUNDRED", 100.00]]);
Change "return ledger" to "return change" to see what I mean
Richard Corbett
@reacorbett
Feb 26 2016 02:57
what does /\S*\/ do?
/\S*/
bitgrower
@bitgrower
Feb 26 2016 03:01
@reacorbett ... I'm sure one of these resources will tell you ... more accurately than my fragile memory ...
help regex
CamperBot
@camperbot
Feb 26 2016 03:01

:point_right: js regex resources [wiki]

Links to useful RegEx resources.

See also: :clipboard: Tutorials | :syringe: Testing | :soccer: Games | :newspaper: Blogs | :package: Software

:pencil: read more about js regex resources on the FCC Wiki

Richard Corbett
@reacorbett
Feb 26 2016 03:02
@bitgrower I found info on it, I just don't understand it.
bitgrower
@bitgrower
Feb 26 2016 03:02
what's the info you found say about it ? That sounds like a place to start ...
Devin
@devblanchard
Feb 26 2016 03:03
thanks @munishtayal you helped me by helping someone earlier
CamperBot
@camperbot
Feb 26 2016 03:03
devblanchard sends brownie points to @munishtayal :sparkles: :thumbsup: :sparkles:
:star: 324 | @munishtayal | http://www.freecodecamp.com/munishtayal
Yaoming Jiang
@yao4ming
Feb 26 2016 03:04
\s stands for non-whitespace character, * means zero or more
sorry i meant \S
bitgrower
@bitgrower
Feb 26 2016 03:06
have you played around on any of the regex tester sites, @reacorbett ? They can help give you a good visual as to what will be matched ... also the regexone.com tutorial is quite good ...
Richard Corbett
@reacorbett
Feb 26 2016 03:07
I will have to check that out. thanks @bitgrower
CamperBot
@camperbot
Feb 26 2016 03:07
reacorbett sends brownie points to @bitgrower :sparkles: :thumbsup: :sparkles:
:star: 644 | @bitgrower | http://www.freecodecamp.com/bitgrower
Richard Corbett
@reacorbett
Feb 26 2016 03:13
@bitgrower that is pretty cool. I think i will be playing with that for the rest of the night.
David Jones
@Finesse-One
Feb 26 2016 03:32
@cannelflow I finally got it! Thanks for pointing me in the right direction I really appreciate it.
CamperBot
@camperbot
Feb 26 2016 03:32
finesse-one sends brownie points to @cannelflow :sparkles: :thumbsup: :sparkles:
:star: 829 | @cannelflow | http://www.freecodecamp.com/cannelflow
Vik
@vvang044
Feb 26 2016 03:37
hey guys
can anyone help me with "condese arrays with reduce"
*condense
Devin
@devblanchard
Feb 26 2016 03:38
thanks @rphares for helping me indirectly by helping some earlier
CamperBot
@camperbot
Feb 26 2016 03:38
devblanchard sends brownie points to @rphares :sparkles: :thumbsup: :sparkles:
:star: 2972 | @rphares | http://www.freecodecamp.com/rphares
Vik
@vvang044
Feb 26 2016 03:39
hey @rphares
akulaggarwal
@akulaggarwal
Feb 26 2016 03:41
hey guys, i just had a quick question. i had thought that completing all the algorithm questions was required to obtain the front end dev cert. but i dont see an asterisk next to the "advanced" section, only on the coding challenges i have left. i intend on doing the adv algo challenges either way, but can anyone confirm either way?
akulaggarwal
@akulaggarwal
Feb 26 2016 03:46
or maybe i should be asking on one of the other ones? like FCC Help?
scottmike0
@scottmike0
Feb 26 2016 03:47
i believe they are required
akulaggarwal
@akulaggarwal
Feb 26 2016 03:48
ahh i think i just got my answer. on the certificate page: "This challenge will give you your verified Front End Development Certificate. Before we issue your certificate, we must verify that you have completed all of our basic and intermediate algorithm scripting challenges, and all our basic, intermediate, and advanced front end development projects."
scottmike0
@scottmike0
Feb 26 2016 03:48
@akulaggarwal ye
the advanced and intermediate algorithms dont seem to be required
i mean
advanced algorithims*
not intermediate
rphares
@rphares
Feb 26 2016 04:03
@devblanchard -- hahah, anytime! Glad to have helped :blush:
Wiya @vvang044 , on time no see~ :blush: How're you doing?
demipixel
@demipixel
Feb 26 2016 04:03
I've been doing js for years and I can't get past the second algorithm
What is going on
Vik
@vvang044
Feb 26 2016 04:04
lol.....yep iknow......trying to work full time and code full....is a challenge
but im stuck here
as usuall
here is the code
var array = [4,5,6,7,8];
var singleVal = 0;

// Only change code below this line.

var singleVal = array.reduce(function(previousVal, currentVal){
  return previousVal + currentVal;
},0);

singleVal = array;
rphares
@rphares
Feb 26 2016 04:05
which challenge?
Vik
@vvang044
Feb 26 2016 04:05
"condense arrays with reduce"
i need to sum all the values in the array and assign that to singleVal
demipixel
@demipixel
Feb 26 2016 04:06
declaring singleVal twice, assigning it 3 times
rphares
@rphares
Feb 26 2016 04:06
to start, was var singleVal there at the beginning? not meant to change above the line...
demipixel
@demipixel
Feb 26 2016 04:06
I assume the goal is to get the sum of the array in singleVal?
rphares
@rphares
Feb 26 2016 04:06
or below the line...
Vik
@vvang044
Feb 26 2016 04:06
thats true @demipixel
Eric Meling
@Gnilemcire
Feb 26 2016 04:07
Help Accessing Nested Arrays in JSON
CamperBot
@camperbot
Feb 26 2016 04:07

:point_right: challenge accessing nested arrays in json [wiki]

Challenge: Accessing Nested Arrays in JSON

As we have seen in earlier examples, JSON objects can contain both nested objects and nested arrays. Similar to accessing nested objects, Array bracket notation can be chained to access nested arrays.

Here is an example of how to access a nested array:

```js
var ourPets = {
"cats": [
"Meowzer",
"Fluffy",
"Kit-Cat"
],
"dogs": [
"Spot",
"Bowser",
"Frankie"
]
};
ourPets.cats[1]; // "Fluffy"
:pencil: read more about challenge accessing nested arrays in json on the FCC Wiki

Vik
@vvang044
Feb 26 2016 04:07
i need to sum all the values in array and assign it to singleVal
demipixel
@demipixel
Feb 26 2016 04:08
What's the last line for
Vik
@vvang044
Feb 26 2016 04:08
thats the instruction
Abhishek Kumar
@abhishekKumar1
Feb 26 2016 04:09
@vvang044 remove that line
rphares
@rphares
Feb 26 2016 04:09
@vvang044 , try copying the middle bit-- where you use .reduce in var singleVal and saving it in your editor,
and then reset the code
it looks like you've changed a bit at the top and bottom that you weren't meant to
Abhishek Kumar
@abhishekKumar1
Feb 26 2016 04:09
you r getting the answer and then assigning it back to the array
demipixel
@demipixel
Feb 26 2016 04:10
function palindrome(str) {
  str = str.toLowerCase().replace(/[^a-z0-9]/g, '');
  return str.slice(0,Math.floor(str.length/2)) == str.slice(Math.ceil(str.length/2), str.length);
}

palindrome("eye");
Abhishek Kumar
@abhishekKumar1
Feb 26 2016 04:10
@vvang044 just remove the last line and you will get the solution
demipixel
@demipixel
Feb 26 2016 04:10
The website isn't syntax highlighting my regexp which is why I think it's failing
Does it want me to do new RegExp()?
Vik
@vvang044
Feb 26 2016 04:11
ha
i got the
yayyy!!!
rphares
@rphares
Feb 26 2016 04:12
congrats!
Vik
@vvang044
Feb 26 2016 04:12
but, help me out here......
the instructions says to assign the value to array
Abhishek Kumar
@abhishekKumar1
Feb 26 2016 04:13
@vvang044 "Use the reduce method to sum all the values in array and assign it to singleVal." that's what instruction said
so you used .reduceon array and given the value back to the
singleVal
demipixel
@demipixel
Feb 26 2016 04:14
@rphares Any suggestions for mine?
Vik
@vvang044
Feb 26 2016 04:15
oh
demipixel
@demipixel
Feb 26 2016 04:15
Annnnnnd I just screwed myself over
Vik
@vvang044
Feb 26 2016 04:15
yeah me tooo
rphares
@rphares
Feb 26 2016 04:15
@demipixel ??
demipixel
@demipixel
Feb 26 2016 04:15
Typed print() in my code and now it opens up the print window every time I try to cancel it
eval() much?
Raghuram
@Raghuram1994
Feb 26 2016 04:16
function lookUp(firstName, prop){
// Only change code below this line
if(firstName===contacts.firstName&&prop===firstName){
return contacts.firstName;
}
else if(contacts[firstName]!==firstName){
return "No such contact";
}
else if(prop!==contacts){
return "No such property";
} //only" No such contact is working"
rphares
@rphares
Feb 26 2016 04:16
@demipixel ,
explain auto
CamperBot
@camperbot
Feb 26 2016 04:16

:point_right: disable code auto run [wiki]

By default, the Free Code Camp site automatically loads and runs your last recorded solution. If you have accidentally created an infinite loop or other irrecoverable error or simply don't trust the code, you can disable code auto-run by putting the following in your URL:
run=disabled

Example:

URL: http://www.freecodecamp.com/challenges/Algorithm-meet-Algorithm#?solution=function%20meetBonfire(argument)

No-Run URL: http://www.freecodecamp.com/challenges/Algorithm-meet-Algorithm#?run=disabled&solution=function%20meetBonfire(argument)

:pencil: read more about disable code auto run on the FCC Wiki

rphares
@rphares
Feb 26 2016 04:16
that should help you address that :) If it doesn't work, holler--
CamperBot
@camperbot
Feb 26 2016 04:16
holler back!
rphares
@rphares
Feb 26 2016 04:16
there is another way,
but it'll clear your code,
so this way is the best if it works :)
demipixel
@demipixel
Feb 26 2016 04:17
Alright
The other issue was actually with my code :P
Is there a way to log?
Vik
@vvang044
Feb 26 2016 04:18
@Raghuram1994 is that all the code or did you just copied and pasted it
demipixel
@demipixel
Feb 26 2016 04:18
without throwing an error
Abhishek Kumar
@abhishekKumar1
Feb 26 2016 04:18
@demipixel you code it allright but think what are you returning
Vik
@vvang044
Feb 26 2016 04:18
@abhishekKumar1 thank you for explaining
CamperBot
@camperbot
Feb 26 2016 04:18
vvang044 sends brownie points to @abhishekkumar1 :sparkles: :thumbsup: :sparkles:
demipixel
@demipixel
Feb 26 2016 04:18
a bool
CamperBot
@camperbot
Feb 26 2016 04:18
:star: 357 | @abhishekkumar1 | http://www.freecodecamp.com/abhishekkumar1
Abhishek Kumar
@abhishekKumar1
Feb 26 2016 04:19
@demipixel in the funcion say i pass "I am ma I"
Brian
@sludge256
Feb 26 2016 04:19
@demipixel is your return statement comparing the first half of the string with the second half of the string?
Abhishek Kumar
@abhishekKumar1
Feb 26 2016 04:19
then after regex your str becomes "iammai"
Raghuram
@Raghuram1994
Feb 26 2016 04:19
no its not all the code its "Profile lookup" in javascript
@vvang044
demipixel
@demipixel
Feb 26 2016 04:19
oh
Forgot to reverse
I'm dumb
Still would be nice to know how to log
Abhishek Kumar
@abhishekKumar1
Feb 26 2016 04:20
then you are using bool on iam==mai
so it will return false
demipixel
@demipixel
Feb 26 2016 04:20
Yeah, I fixed it :P
Oh, Console.log with a capital c
Vik
@vvang044
Feb 26 2016 04:21
@Raghuram1994 can you paste your code here
Raghuram
@Raghuram1994
Feb 26 2016 04:22

//Setup
var contacts = [
{
"firstName": "Akira",
"lastName": "Laine",
"number": "0543236543",
"likes": ["Pizza", "Coding", "Brownie Points"]
},
{
"firstName": "Harry",
"lastName": "Potter",
"number": "0994372684",
"likes": ["Hogwarts", "Magic", "Hagrid"]
},
{
"firstName": "Sherlock",
"lastName": "Holmes",
"number": "0487345643",
"likes": ["Intriguing Cases", "Violin"]
},
{
"firstName": "Kristian",
"lastName": "Vos",
"number": "unknown",
"likes": ["Javascript", "Gaming", "Foxes"]
}
];

function lookUp(firstName, prop){
// Only change code below this line
if(firstName===contacts.firstName&&prop===firstName){
return contacts.firstName;
}
else if(contacts[firstName]!==firstName){
return "No such contact";
}
else if(prop!==contacts){
return "No such property";
}
}
// Only change code above this line

// Change these values to test your function
lookUp("Akira", "likes");

@vvang044
Vik
@vvang044
Feb 26 2016 04:24
what i did in that exercise was write two "if" statements and else
instead of else if....
Raghuram
@Raghuram1994
Feb 26 2016 04:26
can you paste that code here?
@vvang044
demipixel
@demipixel
Feb 26 2016 04:27
We should inform more people to use ```js
Vik
@vvang044
Feb 26 2016 04:27
let me give you a hint than giving you the code.....so you know its about understanding the code rather than copy paste
why dont you write a for statement first
then write a if statement and if statement write else and two return's
if my explanation helps
demipixel
@demipixel
Feb 26 2016 04:28
booooooo
Vik
@vvang044
Feb 26 2016 04:28
we are here to learn right....?
Brian
@sludge256
Feb 26 2016 04:28
@demipixel figured out your code?
demipixel
@demipixel
Feb 26 2016 04:28
No
Stupid edge case makes my code less clean
function repeat(str, num) {
  return num > 0 ? [,...Array(num)].join(str) : '';
}

repeat("abc", 3);
Brian
@sludge256
Feb 26 2016 04:29
Your return statement isn't counting the middle letter
if it's an odd number of letters
demipixel
@demipixel
Feb 26 2016 04:29
Oh that was like 5 problems ago
Brian
@sludge256
Feb 26 2016 04:29
ah ok
:P
demipixel
@demipixel
Feb 26 2016 04:29
@sludge256 That doesn't matter
Brian
@sludge256
Feb 26 2016 04:29
I've been room hopping
demipixel
@demipixel
Feb 26 2016 04:29
You can ignore the middle letter
Because the middle letter will always equal itself
Brian
@sludge256
Feb 26 2016 04:30
You're right
what was the issue then I didn't finish looking through it
demipixel
@demipixel
Feb 26 2016 04:30
I forgot to reverse the second slice haha
Brian
@sludge256
Feb 26 2016 04:30
ah
Vik
@vvang044
Feb 26 2016 04:35
@rphares how far are you in coding?
demipixel
@demipixel
Feb 26 2016 04:37
lol
function slasher(arr, howMany) {
  return arr.slice(howMany, arr.length);
}

slasher([1, 2, 3], 2);
That was hard /s
Brian
@sludge256
Feb 26 2016 04:38
Yes :+1:
Many people complain about all the code they have to write for that one ;)
demipixel
@demipixel
Feb 26 2016 04:38
Bothers me that they capitalize the c in console.log
Brian
@sludge256
Feb 26 2016 04:40
it works lowercased
demipixel
@demipixel
Feb 26 2016 04:40
I'm saying it might be misleading for newbies
Brian
@sludge256
Feb 26 2016 04:40
Which challenge is it capitalized?
Vik
@vvang044
Feb 26 2016 04:40
like me
demipixel
@demipixel
Feb 26 2016 04:41
All of them I've seen so far
I skipped ahead to stuff on the map that had an astericks
sooo... Basic Algorithm Scripting
Brian
@sludge256
Feb 26 2016 04:41
oh
You want to submit an issue on the repo?
It's an easy fix
demipixel
@demipixel
Feb 26 2016 04:42
Sure
Brian
@sludge256
Feb 26 2016 04:42
@demipixel thanks :+1:
CamperBot
@camperbot
Feb 26 2016 04:42
sludge256 sends brownie points to @demipixel :sparkles: :thumbsup: :sparkles:
:star: 17 | @demipixel | http://www.freecodecamp.com/demipixel
demipixel
@demipixel
Feb 26 2016 04:51
uuuuhhhh
where([10, 20, 30, 40, 50], 35) should return 3.

Okay...
My code contains:

where([10, 20, 30, 40, 50], 35);

And outputs

3
Sumeet Batheja
@bathejasumeet
Feb 26 2016 04:52
Hiya all
demipixel
@demipixel
Feb 26 2016 04:52
Hey, long time no see
Sumeet Batheja
@bathejasumeet
Feb 26 2016 04:53
@demipixel How are you doing?
demipixel
@demipixel
Feb 26 2016 04:53
Poorly
See above for details
Brian
@sludge256
Feb 26 2016 04:53
What's your code?
Sumeet Batheja
@bathejasumeet
Feb 26 2016 04:53
ok
sure
demipixel
@demipixel
Feb 26 2016 04:53
function where(arr, num) {
  for (var i in arr) {
    if (arr[i] > num) return i;
  }
  return arr.length;
}

where([10, 20, 30, 40, 50], 35);
Sumeet Batheja
@bathejasumeet
Feb 26 2016 04:53
what is expected output?
demipixel
@demipixel
Feb 26 2016 04:53
3
CamperBot
@camperbot
Feb 26 2016 04:53

:point_right: challenge get json with the jquery getjson method [wiki]

Get JSON with the jQuery getJSON Method

Application Programming Interfaces - are tools that computers use to communicate with one another.

Most web APIs transfer data in a format called JSON. JSON stands for JavaScript Object Notation. JSON is nothing more than object properties and their current values, sandwiched between a { and a }.

These properties and their values are often referred to as "key-value pairs".

Here is a sample of what it looks like.

$.getJSON("/json/cats.json", function(json) {

   $(".message").html(JSON.stringify(json));

 });

:pencil: read more about challenge get json with the jquery getjson method on the FCC Wiki

Sumeet Batheja
@bathejasumeet
Feb 26 2016 04:54
what are you trying to accomplish?
Brian
@sludge256
Feb 26 2016 04:54
lol what
camperbot chiming in
demipixel
@demipixel
Feb 26 2016 04:54
He just wants to help
Expected output: 3
Output: 3
It might be mad because I'm not using .sort()
Since that's in its "helpful links" list
Brian
@sludge256
Feb 26 2016 04:55
I don't think it matters
Davinw
@Davinw
Feb 26 2016 04:55
@demipixel It looks like your code is intended to find the index position in an array of the first value bigger than second provided parameter, what's the exercise?
Brian
@sludge256
Feb 26 2016 04:55
"tests": [
        "assert(where([10, 20, 30, 40, 50], 35) === 3, 'message: <code>where([10, 20, 30, 40, 50], 35)</code> should return <code>3</code>.');",
        "assert(where([10, 20, 30, 40, 50], 30) === 2, 'message: <code>where([10, 20, 30, 40, 50], 30)</code> should return <code>2</code>.');",
        "assert(where([40, 60], 50) === 1, 'message: <code>where([40, 60], 50)</code> should return <code>1</code>.');",
        "assert(where([3, 10, 5], 3) === 0, 'message: <code>where([3, 10, 5], 3)</code> should return <code>0</code>.');",
        "assert(where([5, 3, 20, 3], 5) === 2, 'message: <code>where([5, 3, 20, 3], 5)</code> should return <code>2</code>.');",
        "assert(where([2, 20, 10], 19) === 2, 'message: <code>where([2, 20, 10], 19)</code> should return <code>2</code>.');",
        "assert(where([2, 5, 10], 15) === 3, 'message: <code>where([2, 5, 10], 15)</code> should return <code>3</code>.');"
      ]
it only checks the output
demipixel
@demipixel
Feb 26 2016 04:56
@Davinw Return the lowest index at which a value (second argument) should be inserted into an array (first argument) once it has been sorted.
Davinw
@Davinw
Feb 26 2016 04:57
@demipixel well if you haven't sorted the array first, the rest of the tests that @sludge256 linked wouldn't pass with your existing code
demipixel
@demipixel
Feb 26 2016 04:57
function where(arr, num) {
  arr = arr.sort();
  for (var i in arr) {
    if (arr[i] > num) return i;
  }
  return arr.length;
}

where([10, 20, 30, 40, 50], 35);
Doesn't work either
Still outputs 3
Davinw
@Davinw
Feb 26 2016 04:58
@demipixel isn't 3 supposed to be the expected answer though?
demipixel
@demipixel
Feb 26 2016 04:58
Yep
Oh
Oh yeah
It's because it's javascript
heh, fixed
Davinw
@Davinw
Feb 26 2016 05:00
@demipixel so what was the issue then?
demipixel
@demipixel
Feb 26 2016 05:00
I forgot
Sumeet Batheja
@bathejasumeet
Feb 26 2016 05:00
:D @demipixel . I have completely lost you
demipixel
@demipixel
Feb 26 2016 05:00
for (var i in ....) {
  typeof i == 'string'
}
Since it was using triple equals, it was comparing a number to a string
and returned a fail
Sumeet Batheja
@bathejasumeet
Feb 26 2016 05:00
ok
demipixel
@demipixel
Feb 26 2016 05:00
function where(arr, num) {
  arr = arr.sort();
  for (var i in arr) {
    if (arr[i] > num) return parseInt(i);
  }
  return arr.length;
}

where([10, 20, 30, 40, 50], 35);
Fixes it
Sumeet Batheja
@bathejasumeet
Feb 26 2016 05:00
you prevented type coercion by using ===
rphares
@rphares
Feb 26 2016 05:01
not far, @vvang044 :)
(sorry, stepped away)
Davinw
@Davinw
Feb 26 2016 05:01
@demipixel ah gotcha
Sumeet Batheja
@bathejasumeet
Feb 26 2016 05:01
@demipixel , just food for thought
don't use for in loops with objects other than array without the hasOwnProperty method
demipixel
@demipixel
Feb 26 2016 05:02
Yeahhhh, well
Sumeet Batheja
@bathejasumeet
Feb 26 2016 05:02
you would end up traversing the prototype chain
demipixel
@demipixel
Feb 26 2016 05:02
I'm trying to do this "50 hour" section in an hour
Sumeet Batheja
@bathejasumeet
Feb 26 2016 05:02
Good Day guys... I am off. have a great day
demipixel
@demipixel
Feb 26 2016 05:02
So I'm not making a ton of clean code :P
Eric
@Code-Eric
Feb 26 2016 05:02
Screen Shot 2016-02-26 at 12.02.25 AM.png
for some reason it wont even consider the else if
anyone have a clue?
Davinw
@Davinw
Feb 26 2016 05:03
@demipixel According to MDN, for...in loops shouldn't be used with Arrays when the index order is important, lol. :) https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/for...in
Eric
@Code-Eric
Feb 26 2016 05:03
Screen Shot 2016-02-26 at 12.03.06 AM.png
demipixel
@demipixel
Feb 26 2016 05:03
@Code-Eric if statements aren't really methods/functions
Which means they don't take paramaters, what are you attempting to achieve with par > 0, 1?
Davinw
@Davinw
Feb 26 2016 05:04
@Code-Eric You aren't using the "strokes" parameter in your comparisons...
Vik
@vvang044
Feb 26 2016 05:04
oh ye.....that means you are miles away
i didnt finish my first build a personal page portfolio....lol
demipixel
@demipixel
Feb 26 2016 05:05
there should be Number.within(min, max) which return a boolean like this
Eric
@Code-Eric
Feb 26 2016 05:05
Oh okay i thought that with parameters that the input was (param1,param2)
so you just put whatever value
Brian
@sludge256
Feb 26 2016 05:05
there's two parameters for the function
demipixel
@demipixel
Feb 26 2016 05:05
You have to say: par > 0 and par < 2
Brian
@sludge256
Feb 26 2016 05:05
but those are passed in at the bottom
demipixel
@demipixel
Feb 26 2016 05:05
There's no shortcut :/
Or strokes or whatever it was
Eric
@Code-Eric
Feb 26 2016 05:06
so i dont use if function
Brian
@sludge256
Feb 26 2016 05:06
You would
Eric
@Code-Eric
Feb 26 2016 05:06
okay so i just have to declare the parameter range
Davinw
@Davinw
Feb 26 2016 05:06
@Code-Eric You need to compare strokes to par
Eric
@Code-Eric
Feb 26 2016 05:06
using par and strokes
when you say compare do you mean as in: (par > 0 and par < 2, strokes>0 and strokes < 2)
Davinw
@Davinw
Feb 26 2016 05:08
@Code-Eric no
@Code-Eric you need to compare strokes TO par
for instance:
if(strokes > par) { return "You were over par!";]
if(strokes > par) {return "You were over par!"; }
Eric
@Code-Eric
Feb 26 2016 05:11
okay thanks @Davinw
CamperBot
@camperbot
Feb 26 2016 05:11
code-eric sends brownie points to @davinw :sparkles: :thumbsup: :sparkles:
:star: 229 | @davinw | http://www.freecodecamp.com/davinw
Davinw
@Davinw
Feb 26 2016 05:11
@Code-Eric np!
Rekha Gupta
@codingclass
Feb 26 2016 05:11
in JavaScript How do you access a property value nested in an array .
Vik
@vvang044
Feb 26 2016 05:12
what is the exercise called @codingclass
Rekha Gupta
@codingclass
Feb 26 2016 05:12

var contacts = [
{
"firstName": "Akira",
"lastName": "Laine",
"number": "0543236543",
"likes": ["Pizza", "Coding", "Brownie Points"]
},
{
"firstName": "Harry",
"lastName": "Potter",
"number": "0994372684",
"likes": ["Hogwarts", "Magic", "Hagrid"]
},
{
"firstName": "Sherlock",
"lastName": "Holmes",
"number": "0487345643",
"likes": ["Intriguing Cases", "Violin"]
},
{
"firstName": "Kristian",
"lastName": "Vos",
"number": "unknown",
"likes": ["Javascript", "Gaming", "Foxes"]
}
];

function lookUp(firstName, prop){

profile lookup
Vik
@vvang044
Feb 26 2016 05:13
oh the profile lookup
where is your code?
and can you paste your within these .....code.....
Preetam Kajal Rout
@preetamkajalrout
Feb 26 2016 05:14
@codingclass :
contacts[0].likes // ["Pizza, "Coding", "Brownie Points"]
Vik
@vvang044
Feb 26 2016 05:15
```
use those
Rekha Gupta
@codingclass
Feb 26 2016 05:15

function lookUp(firstName, prop){
// Only change code below this line
var name = firstName;
// var conName = contacts[name];
var conProp = contacts[0].hasOwnProperty(prop);
// var conProp =contacts[conInfo];
// console.log("hi");

for (var i=0; i<4; i++)
// for(var j=0;j<4; j++)
{
// return( i +" hi");
// var conProp =contacts[i][conInfo];

if (contacts[i].firstName === name & contacts[i].hasOwnProperty(prop) === true)
{
// return(contacts[i].prop + " hi 2");
return contacts[i].prop;
}
else if (contacts[i].firstName !== name)
{
// return( contacts[i].firstName + contacts[i] +" hi 3");
return "No such contact";
}
else if (contacts[i].conInfo !== prop)
{
// return( contacts[i].firstName + contacts[i].conProp +" hi 2");
return "No such Property";
}
console.log("hi");
}
// Only change code above this line
}

Vik
@vvang044
Feb 26 2016 05:15
at the beginning and at the end
demipixel
@demipixel
Feb 26 2016 05:16
Welp, done with the algorithms
Davinw
@Davinw
Feb 26 2016 05:18
@codingclass you need to use a double ampersand for the "logical and" in your if statement
Vik
@vvang044
Feb 26 2016 05:18
if (contacts[i].firstName === name & contacts[i].hasOwnProperty(prop) === true).....should have two &&
Davinw
@Davinw
Feb 26 2016 05:19
@codingclass also, from a style perspective, you can shorten "contacts[i].hasOwnProperty(prop) === true" to just "contacts[i].hasOwnProperty(prop)" An if statement always implicitly checks for true/false if no other direction is given
demipixel
@demipixel
Feb 26 2016 05:20
I mean, technically single &s work, right?
cause true & true == 1 and false & true == 0
Rekha Gupta
@codingclass
Feb 26 2016 05:20
No error msg with single &
demipixel
@demipixel
Feb 26 2016 05:21
@codingclass It's best practice to use two
The single is a weird hack :P
Davinw
@Davinw
Feb 26 2016 05:21
@codingclass strictly speaking the single & is a different operator than &&, and basically is never used
Rekha Gupta
@codingclass
Feb 26 2016 05:22
still cannot acces property value

We have an array of objects representing different people in our contacts lists.

A lookUp function that takes firstName and a property (prop) as arguments has been pre-written for you.

The function should check if firstName is an actual contact's firstName and the given property (prop) is a property of that contact.

If both are true, then return the "value" of that property.

If firstName does not correspond to any contacts then return "No such contact"

If prop does not correspond to any valid properties then return "No such property"

problem
Vik
@vvang044
Feb 26 2016 05:24
@codingclass code just threw me off.....
have to tried something along these lines....writing two if statement and another if statement within and an else.....and oh just one for statement?
*you
Davinw
@Davinw
Feb 26 2016 05:28
@codingclass this line is incorrect: "return contacts[i].prop;"
Andrew Dutton
@andrew-dutton
Feb 26 2016 05:28
So.... just checking that I am not the only one who does the bonfires and then checks the wiki after successfully completing them to find that mine is an essay compared to a few perfect simple statements?? ;)
Davinw
@Davinw
Feb 26 2016 05:28
@Davinw need to use bracket notation when using a variable for a property name. so "return contacts[i][prop]; will work
@AndreWaroux Ever try the site codewars? That is rampant there :)
Andrew Dutton
@andrew-dutton
Feb 26 2016 05:30
@Davinw actually I did take a look the other day... i don't think I'm quite ready... i was stumped on question two :P
Davinw
@Davinw
Feb 26 2016 05:30
@codingclass Sorry this message was intended for you, I sent it to myself instead because I'm smart like that!:
need to use bracket notation when using a variable for a property name. so "return contacts[i][prop]; will work
Rekha Gupta
@codingclass
Feb 26 2016 05:33
@Davinw thanks ,that worked !!!
CamperBot
@camperbot
Feb 26 2016 05:33
codingclass sends brownie points to @davinw :sparkles: :thumbsup: :sparkles:
:star: 230 | @davinw | http://www.freecodecamp.com/davinw
Davinw
@Davinw
Feb 26 2016 05:33
@AndreWaroux Well they have the various difficulty levels, but yeah, there are some knockout problems in there, especially the lower levels, some of those problems are practically a contract
@codingclass yw!
Vik
@vvang044
Feb 26 2016 05:35
sorry where are these bonfires which are referring to?
Zippo Yap
@zippo-yap
Feb 26 2016 05:37
@AndreWaroux I feel the same >< my codes always seem so long. I've only gotten up to returning the largest number in an array
@vvang044 Basic Algorithm Scripting section - they're also referred to as bonfires
Vik
@vvang044
Feb 26 2016 05:38
gotcha
so that is going to be my first bonfire
Ryan Price
@rsprice
Feb 26 2016 05:50
Anyone need help with anything currently?
Brian
@sludge256
Feb 26 2016 05:52
Which companies should I invest in?
:D
Enron?
Ryan Price
@rsprice
Feb 26 2016 05:54
lol
Vik
@vvang044
Feb 26 2016 05:54
yea
Markus Kiili
@Masd925
Feb 26 2016 05:54
@rsprice Tell me something that makes me start the portfolio exercise.
Ryan Price
@rsprice
Feb 26 2016 05:54
@Masd925 there is no wrong way to do it :)
@Masd925 that will give you some direction :P
Vik
@vvang044
Feb 26 2016 05:55
"split strings with split"......how to do that?
demipixel
@demipixel
Feb 26 2016 05:56
stringVar.split("splitString")
Ryan Price
@rsprice
Feb 26 2016 05:56
or just 'hello, world'.split(' ')
Markus Kiili
@Masd925
Feb 26 2016 05:56
@vvang044 str.split("") will split characters to an array and str.split(" "); will split the string on the spaces.
demipixel
@demipixel
Feb 26 2016 05:56
@rsprice Do API problems get checked automatically or manually or at all?
Ryan Price
@rsprice
Feb 26 2016 05:57
@demipixel which API are you referring to?
demipixel
@demipixel
Feb 26 2016 05:57
the API problems
"API Projects"
Vik
@vvang044
Feb 26 2016 05:57
var string = "Split me into an array";
var array = [];

// Only change code below this line.

array = string.split()
so that is incorrect.....
Ryan Price
@rsprice
Feb 26 2016 05:58
@demipixel I guess it depends on what issue you're having, and which API you're using. Sorry, you'll have to be a little bit more specific for me!
Markus Kiili
@Masd925
Feb 26 2016 05:59
@vvang044 That puts the whole string into the first array element.
demipixel
@demipixel
Feb 26 2016 05:59
I'm not using any api haha
The Backend API Projects that you need to complete to get your certificate
Those aren't like traditional problems which can't be checked automagically
Ryan Price
@rsprice
Feb 26 2016 06:01
@demipixel you're asking me how those projects are graded I guess
or how you receive credit for them if I'm understanding you correctly
demipixel
@demipixel
Feb 26 2016 06:01
Yes
Ryan Price
@rsprice
Feb 26 2016 06:01
@demipixel I'm actually not 100% sure when they get checked
Zippo Yap
@zippo-yap
Feb 26 2016 06:02
@vvang044 you need to specify a parameter to split each bit by.
Tony
@Rogers187
Feb 26 2016 06:08
What am I not seeing?? Returning Boolean Values from Functions

function isLess(a, b) {
// Fix this code
return a === b;
}

// Change these values to test
isLess(10, 15);

Got it
Ryan Price
@rsprice
Feb 26 2016 06:11
@Rogers187 that was fast!
Ryan Price
@rsprice
Feb 26 2016 06:16
Can anyone tell me if my stream is currently working? https://www.twitch.tv/rp_dev/
You guys/girls can ask questions and I'll walk you through stuff via screen share
demipixel
@demipixel
Feb 26 2016 06:17
My question is why I have to do all of these API projects
It's nearly taking me more time to create the repos and make them live on my server than it is to code :S
Ryan Price
@rsprice
Feb 26 2016 06:17
@demipixel for science!
demipixel
@demipixel
Feb 26 2016 06:18
Can I get the backend certificate for hacking into the NSA with CSS
Oh, I guess you guys want node.js cause backend
Ryan Price
@rsprice
Feb 26 2016 06:19
@demipixel probably
Ankit Panwar
@coderNoob
Feb 26 2016 06:22
@rsprice It's working.
Ryan Price
@rsprice
Feb 26 2016 06:23
@coderNoob :) thanks for the head's up
CamperBot
@camperbot
Feb 26 2016 06:23
rsprice sends brownie points to @codernoob :sparkles: :thumbsup: :sparkles:
:star: 340 | @codernoob | http://www.freecodecamp.com/codernoob
Shahriar raju
@Rajudevo
Feb 26 2016 06:24
162 solution please wordBlanks
hello
Ryan Price
@rsprice
Feb 26 2016 06:26
@Rajudevo hello!
Sloth
@RMo-Sloth
Feb 26 2016 06:26
@rsprice yup it is.
Ryan Price
@rsprice
Feb 26 2016 06:26
@RobMo thanks!
CamperBot
@camperbot
Feb 26 2016 06:26
rsprice sends brownie points to @robmo :sparkles: :thumbsup: :sparkles:
:star: 287 | @robmo | http://www.freecodecamp.com/robmo
Shahriar raju
@Rajudevo
Feb 26 2016 06:27
i am stuck on 162 wordBlanks function @rsprice
??
Ryan Price
@rsprice
Feb 26 2016 06:29
I can talk you through it
@Rajudevo can you see/hear my stream or do you want me to walk you through it on here?
Shahriar raju
@Rajudevo
Feb 26 2016 06:32
ya i can but my net is slow so on here will be great
Ryan Price
@rsprice
Feb 26 2016 06:32
@Rajudevo Ok, can you show me what you've got so far?
Shahriar raju
@Rajudevo
Feb 26 2016 06:35
nothing actually
don't know that to do
Ryan Price
@rsprice
Feb 26 2016 06:37
@Rajudevo ok, well it looks like what they want you to do is return a concatenated string using all of those parameters that you're given. Does that make sense?
@Rajudevo It probably also helps if you know what a "mad lib" is :P are you familiar?
Wes
@weslez
Feb 26 2016 06:37
This message was deleted
Working on 'Check for Palindromes'. Logically, this code should work, but I can't figure out what I'm missing. Any clues?
function palindrome(str) {
  var lowerCase = str.toLowerCase();
  var noSpaces = lowerCase.replace(/[^A-Za-z]/g, "");
  var arr1 = noSpaces.split("");
  var arr2 = arr1.reverse();

  if (arr1 === arr2) {
    return true;
  } else if (arr1 !== arr2) {
    return false;
  }

}



palindrome("not a palindrome");
demipixel
@demipixel
Feb 26 2016 06:38
@weslez You can only compare strings with ==
[1,2] != [1,2] because they're different arrays
Different strings, though, are alright
So you'll want str1 == str2
Shahriar raju
@Rajudevo
Feb 26 2016 06:40
no i'm not . can you please show me the result
@rsprice
Wes
@weslez
Feb 26 2016 06:40
Exactly what I was looking for @demipixel. Can you tell me at what point the string "not a palindrome" got changed into an array? Was it the .split command?
demipixel
@demipixel
Feb 26 2016 06:41
Yes
Ryan Price
@rsprice
Feb 26 2016 06:41
@weslez yep!
demipixel
@demipixel
Feb 26 2016 06:42
120 WPM ninja'd
Ryan Price
@rsprice
Feb 26 2016 06:42
@Rajudevo I think it would be better if I don't just give you the answer. Is the prompt confusing you?
Wes
@weslez
Feb 26 2016 06:42
And it took me waaaay to long to figure this out, but .reverse won't work on strings...only arrays correct?
demipixel
@demipixel
Feb 26 2016 06:42
@weslez yes
cannelflow
@cannelflow
Feb 26 2016 06:42
@Rajudevo make a sentence using passed myNoun, myAdjective, myVerb, myAdverb value
Shahriar raju
@Rajudevo
Feb 26 2016 06:44
example @cannelflow
Ryan Price
@rsprice
Feb 26 2016 06:44
^
@Rajudevo word + word + word + word
Wes
@weslez
Feb 26 2016 06:45
Last clue (maybe) @demipixel & @rsprice : Is my best path forward to figure out how to convert my .split and .reversed arrays back into strings in order to compare them (maybe using .join somewhere) or should I be looking at how to write a loop to compare the two arrays?
Marina
@chandra90
Feb 26 2016 06:45
Please help! How to do this? the task :You will need to use string operators to build a new string, result, using the provided variables.
function wordBlanks(myNoun, myAdjective, myVerb, myAdverb) {
  var result = "";
  // Your code below this line


  // Your code above this line
  return result;
}

// Change the words here to test your function
wordBlanks("dog", "big", "ran", "quickly");
cannelflow
@cannelflow
Feb 26 2016 06:45
concat myNoun, myAdjective, myVerb, myAdverb and make a sentence @Rajudevo
@chandra90
demipixel
@demipixel
Feb 26 2016 06:46
@weslez You can only reverse an array
Marina
@chandra90
Feb 26 2016 06:46
@cannelflow how??
cannelflow
@cannelflow
Feb 26 2016 06:46
inside function
demipixel
@demipixel
Feb 26 2016 06:46
But there are methods to convert to an array from a string and to a string from an array
cannelflow
@cannelflow
Feb 26 2016 06:47
@chandra90 if you want to concat two word in a sentence hello & world then it is like "hello"+"world"
Marina
@chandra90
Feb 26 2016 06:49
@cannelflow I got how to concat it . Should I write :var="My noun+my Ajective+ect"?
cannelflow
@cannelflow
Feb 26 2016 06:50
@chandra90 you defined var result there so make it equals result
function wordBlanks(A,B,C,D) {
  var result = "";
  // Your code below this line

so if you concat A,B,C,D here it bascically gives
  // Your code above this line
  return result;
}

// Change the words here to test your function
wordBlanks("dog", "big", "ran", "quickly"); <==== this value
@Rajudevo
MuhammadQasim Dewji
@mqasim13
Feb 26 2016 06:52
Hi I am having problems with the card counting excercise... I reason that I should use a switch to tally up the count for all cards, and then use an if-else statement to determine if I need to "hold" or "bet"... But this doesn't seem to be working for me.. Any help would be much appreciated
Ryan Price
@rsprice
Feb 26 2016 06:53
@mqasim13 can you show us what you've got so far?
cannelflow
@cannelflow
Feb 26 2016 06:53
@mqasim13 can you show your code
your logic is f9
Marina
@chandra90
Feb 26 2016 06:56
what should I add
function wordBlanks(myNoun, myAdjective, myVerb, myAdverb) {
  var result = "";
  // Your code below this line
  result= "myNoun + myAdjective + myVerb+ my Adverb";
  // Your code above this line
  return result;
}
MuhammadQasim Dewji
@mqasim13
Feb 26 2016 06:56
@ rsprice @cannelflow
'''
CamperBot
@camperbot
Feb 26 2016 06:57
:bulb: to format code use backticks! ``` more info
MuhammadQasim Dewji
@mqasim13
Feb 26 2016 06:57
This message was deleted
whoops don't know how to show a snippet
V Arun Kumar
@arunvkumr
Feb 26 2016 06:57
@chandra90 remove " from result
@mqasim13 help format
help format
CamperBot
@camperbot
Feb 26 2016 06:57

:point_right: code formatting [wiki]

Inline code

This an inline `<paste code here>` code formatting with a single backtick(`) at start and end around the code.

Code Block

```js ⇦ Type 3 backticks and then press [shift + enter ⏎] (type js or html or css)

<paste your code here>,
then press [shift + enter ⏎]

``` ⇦ Type 3 backticks, then press [enter ⏎]

See also: ☛ How to type Backticks | ☯ Compose Mode | ❄ Gitter Formatting Basics

:pencil: read more about code formatting on the FCC Wiki

Marina
@chandra90
Feb 26 2016 06:58
@arunkumrv and?
MuhammadQasim Dewji
@mqasim13
Feb 26 2016 06:58
function cc(card) {
  // Only change code below this line
  var count = 0;
  switch(card) {
    case 2:
    case 3:
    case 4:
    case 5:
    case 6:
      count += 1;
      break;
    case 7:
    case 8:
    case 9:
      count = count;
      break;
    case 10:
    case "J":
    case "Q":
    case "K":
    case "A":
      count -= 1;
      break;
  }
  if (count > 0) {
    return count + "Bet";
  }
  else {
    return count + "Hold";
  }

  return "Change Me";
  // Only change code above this line
}

// Add/remove calls to test your function.
// Note: Only the last will display
cc(2); cc(3); cc(7); cc('K'); cc('A');\
there we go :)
V Arun Kumar
@arunvkumr
Feb 26 2016 06:58
@chandra90 and adding a space betten words will do it
MuhammadQasim Dewji
@mqasim13
Feb 26 2016 06:59
I realize that the last return ( the "change me") needs to be removed, but even then I'm having issues with the code
V Arun Kumar
@arunvkumr
Feb 26 2016 06:59
@chandra90 something like c = a + " " + b;
cannelflow
@cannelflow
Feb 26 2016 06:59
@chandra90 you need spacing like myNoun +" " + myNoun
MuhammadQasim Dewji
@mqasim13
Feb 26 2016 06:59
@rsprice @cannelflow any help?
cannelflow
@cannelflow
Feb 26 2016 07:00
and myNoun is variable not string @chandra90 so cannot do "myNoun"
@mqasim13 seeing your code
demipixel
@demipixel
Feb 26 2016 07:00
Stop counting cards, that's not allowed in most casinos
Marina
@chandra90
Feb 26 2016 07:00
@cannelflow ```
V Arun Kumar
@arunvkumr
Feb 26 2016 07:01
@mqasim13 there is \ at end of your code, is that in your original code?
Marina
@chandra90
Feb 26 2016 07:01
function wordBlanks(myNoun, myAdjective, myVerb, myAdverb) {
  var result = "";
  // Your code below this line
  result= "myNoun" + "myAdjective" + "myVerb" + "myAdverb";
  // Your code above this line
  return result;
}
cannelflow
@cannelflow
Feb 26 2016 07:01
@mqasim13 cannot find your code ?
Mihai Lita
@atryx
Feb 26 2016 07:01
hello
MuhammadQasim Dewji
@mqasim13
Feb 26 2016 07:01
This message was deleted
cannelflow
@cannelflow
Feb 26 2016 07:01
@chandra90 myNoun +" " + myNoun
V Arun Kumar
@arunvkumr
Feb 26 2016 07:01
@chandra90 myNoun is a variable you have to use without quotes(""). if you use it with quotes it makes it a string.
Mihai Lita
@atryx
Feb 26 2016 07:02
function bouncer(arr) {
  // Don't show a false ID to this bouncer.
  var arr2 = [];
  for ( i = 0 ; i < arr.length; i++ ) {
    switch (arr[i]) {
      case false:
      case null:
      case 0:
      case "":
      case undefined:
      case NaN:
        break;
      default:
        arr2.push(arr[i]);
    }
  }
  return arr2;
}
cannelflow
@cannelflow
Feb 26 2016 07:02
:point_up: February 26, 2016 12:30 PM @chandra90
Mihai Lita
@atryx
Feb 26 2016 07:02
can some1 help me with Falsy Bouncer?
V Arun Kumar
@arunvkumr
Feb 26 2016 07:03
@chandra90 result = mynoun + " "+ myadjective is different from result = "mynoun" + " "+ "myadjective"
MuhammadQasim Dewji
@mqasim13
Feb 26 2016 07:03
This message was deleted
DJ
@qualitymanifest
Feb 26 2016 07:03
@mqasim13 get rid of var count = 0;. you don't want to reset count like that. then, add a space before the words returned like " Bet" instead of "Bet"
Marina
@chandra90
Feb 26 2016 07:03
@cannelflow and what about other variables?
MuhammadQasim Dewji
@mqasim13
Feb 26 2016 07:04
@qualitymanifest thanks that fixed it
CamperBot
@camperbot
Feb 26 2016 07:04
mqasim13 sends brownie points to @qualitymanifest :sparkles: :thumbsup: :sparkles:
cannelflow
@cannelflow
Feb 26 2016 07:04
@chandra90 yes do like myNoun +" " + myadj+" "+my...
MuhammadQasim Dewji
@mqasim13
Feb 26 2016 07:04
thanks a lot
CamperBot
@camperbot
Feb 26 2016 07:04
:star: 1004 | @qualitymanifest | http://www.freecodecamp.com/qualitymanifest
V Arun Kumar
@arunvkumr
Feb 26 2016 07:04
@atryx you have to use boolean object. its much easier than what you have done. you can read more about it here..
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Boolean
Markus Kiili
@Masd925
Feb 26 2016 07:04
@atryx NaN is special because NaN===NaN is false.
Mihai Lita
@atryx
Feb 26 2016 07:05
@Masd925 the problem is not there, at least not in the test
it only fails the "" test
Marina
@chandra90
Feb 26 2016 07:05
result= myNoun + "myAdjective" + "myVerb"+ "myAdverb"
Like this? @cannelflow
Markus Kiili
@Masd925
Feb 26 2016 07:06
@atryx It fails to remove NaN.
DJ
@qualitymanifest
Feb 26 2016 07:06
@atryx @Masd925 is right
V Arun Kumar
@arunvkumr
Feb 26 2016 07:06
@chandra90 you are close. just remove the quotes for all the variables. and a little space betten words.
Mihai Lita
@atryx
Feb 26 2016 07:07
but even if I try with IsNaN()
it still doesn't work
Markus Kiili
@Masd925
Feb 26 2016 07:07
@atryx bouncer([false, null, 0, NaN, undefined, ""]); // returns [NaN]
@atryx You can test NaN separately with value===value. NaN is the only value that gives false. If you wan't to use isNaN, you have to do: typeof value==='number' && isNaN(value)
Marina
@chandra90
Feb 26 2016 07:07
result= myNoun +  myAdjective +  myVerb +  myAdverb;
cannelflow
@cannelflow
Feb 26 2016 07:08
@chandra90 good now you need to give spacing
Marina
@chandra90
Feb 26 2016 07:08
@cannelflow how?
V Arun Kumar
@arunvkumr
Feb 26 2016 07:08
@chandra90 yes you are getting some output but there needs small space between words.
like a = a + " " + b;
Mihai Lita
@atryx
Feb 26 2016 07:08
@Masd925 the above bouncer returns: [null]
Markus Kiili
@Masd925
Feb 26 2016 07:09
@atryx It is NaN. FCC console shows it as null.
Mihai Lita
@atryx
Feb 26 2016 07:09
I see
Shahriar raju
@Rajudevo
Feb 26 2016 07:09
@cannelflow still not passed so please give the full result screenshoot
V Arun Kumar
@arunvkumr
Feb 26 2016 07:09
@atryx the challenge wants you to use boolean object. try with it
cannelflow
@cannelflow
Feb 26 2016 07:09
now printing like dogbig @chandra90 you need to do like dog big so do like a+" "+b
Mihai Lita
@atryx
Feb 26 2016 07:10
@arunkumrv will try, tks
CamperBot
@camperbot
Feb 26 2016 07:10
atryx sends brownie points to @arunkumrv :sparkles: :thumbsup: :sparkles:
:star: 288 | @arunkumrv | http://www.freecodecamp.com/arunkumrv
Ankit Panwar
@coderNoob
Feb 26 2016 07:10

I'm doing the symmetric difference bf and I've extracted the unique elements from two arrays

function sym(args) {

  args = Array.prototype.slice.call(arguments);
  function SD(array1, array2){
    return array1.filter(function(element){
      return array2.indexOf(element)<0;
    });
  }
  return SD(args[0], args[1]).concat(SD(args[1],args[0]));
}

sym([1, 2, 3], [5, 2, 1, 4]);

How do I iterate over n number of arrays?

V Arun Kumar
@arunvkumr
Feb 26 2016 07:10
@atryx you're welcome. just for reference you can read about it here..
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Boolean
cannelflow
@cannelflow
Feb 26 2016 07:11
@chandra90 worked ?
can you help @Rajudevo
can you paste your code @Rajudevo
Markus Kiili
@Masd925
Feb 26 2016 07:12
@coderNoob If you know how to do it with two arrays, you can use .reduce to do it to variable number of arrays.
function sym(args) {
  args=Array.prototype.slice.call(arguments);
  return args.reduce(function(prev, curr){
    return ???; <- SymmDiff of two arrays prev and curr here. 
  }, []);
}
Marina
@chandra90
Feb 26 2016 07:13
@cannelflow how to do spaces?
cannelflow
@cannelflow
Feb 26 2016 07:15
@chandra90 you did like result= myNoun + myAdjective + myVerb + myAdverb; do like result= myNoun + " "+myAdjective + " "+ myVerb + ""+ myAdverb;@Rajudevo
that will give spacing
V Arun Kumar
@arunvkumr
Feb 26 2016 07:15
@chandra90 result= myNoun + myAdjective + myVerb + myAdverb; this code is concatenating all the words and to add space you just need to add the space between this values. somthing like
result= myNoun + " " + myAdjective + " " + myVerb + " " + myAdverb;
Shahriar raju
@Rajudevo
Feb 26 2016 07:16

function wordBlanks(myNoun, myAdjective, myVerb, myAdverb) {
var result = "";
// Your code below this line
result = myNoun+""+ myAdjective+""+ myVerb+""+ myAdverb;

// Your code above this line
return result;
}

// Change the words here to test your function
wordBlanks("cat", "little", "hit", "slowly");

V Arun Kumar
@arunvkumr
Feb 26 2016 07:16
oh there you go... as @cannelflow said
@Rajudevo give 1 space between the quotes."" ->> " "
Shahriar raju
@Rajudevo
Feb 26 2016 07:17
ya i am done thanks all
cannelflow
@cannelflow
Feb 26 2016 07:17
@Rajudevo gr8 just ass spacing by +" "+
V Arun Kumar
@arunvkumr
Feb 26 2016 07:17
@Rajudevo you're welcome :smiley:
Marina
@chandra90
Feb 26 2016 07:17
@cannelflow Thank you very much!
CamperBot
@camperbot
Feb 26 2016 07:17
chandra90 sends brownie points to @cannelflow :sparkles: :thumbsup: :sparkles:
:star: 831 | @cannelflow | http://www.freecodecamp.com/cannelflow
cannelflow
@cannelflow
Feb 26 2016 07:18
@chandra90 @Rajudevo :+1:
Ankit Panwar
@coderNoob
Feb 26 2016 07:22

@Masd925 I don't understand how the reduce() is working. It has returned me all the elements combined and even repeated multiple times. Like 3 appears once but it returned me an array with two 3s in it.

function sym(args) {

  args = Array.prototype.slice.call(arguments);
  function SD(array1, array2){
    return array1.filter(function(element){
      return array2.indexOf(element)<0;
    });
  }
  function unique(array1, array2){
    return SD(array1, array2).concat(array2, array1);
  }
  var final = args.reduce(function(prev, curr){
    return unique(prev, curr);
  });
  return final;
}

sym([1, 2, 3], [5, 2, 1, 4]);

output
[ 3, 5, 2, 1, 4, 1, 2, 3 ]

Robert Uivarosi
@URobert
Feb 26 2016 07:27
@vankatal Thanks!
CamperBot
@camperbot
Feb 26 2016 07:27
urobert sends brownie points to @vankatal :sparkles: :thumbsup: :sparkles:
:star: 288 | @vankatal | http://www.freecodecamp.com/vankatal
Markus Kiili
@Masd925
Feb 26 2016 07:27
@coderNoob Your unique function is not still doing the symmdiff of two arrays.
unique([1, 2, 3], [5, 2, 1, 4]); // returns [ 3, 5, 2, 1, 4, 1, 2, 3 ]
Should return [3,5,4]
Try .concat(SD(array2, array1))
Ankit Panwar
@coderNoob
Feb 26 2016 07:30
@Masd925 It worked. I missed the SD in concat
@Masd925 Thanks.
CamperBot
@camperbot
Feb 26 2016 07:31
codernoob sends brownie points to @masd925 :sparkles: :thumbsup: :sparkles:
:star: 1071 | @masd925 | http://www.freecodecamp.com/masd925
Markus Kiili
@Masd925
Feb 26 2016 07:32
@coderNoob You are still not removing repeating elements from individual arrays before concating.
Ankit Panwar
@coderNoob
Feb 26 2016 07:32
@Masd925 This algo is frustrating and confusing.
Robert Uivarosi
@URobert
Feb 26 2016 07:32
@coderNoob did you come up with that nice thin implementation ?
Ankit Panwar
@coderNoob
Feb 26 2016 07:32
@URobert Pretty much
there was a lot of help on gitter.
Robert Uivarosi
@URobert
Feb 26 2016 07:33
I came up with a 40 lines version :))
I made it quite explicit, so it is easier to navigate (that's just how I ended up building it)
@coderNoob did you get it working?
Marina
@chandra90
Feb 26 2016 07:35
// Setup
var myArray = [1,2,3];

// Only change code below this line.
ourArray[0] = 3;
Why does not work? the task:Modify the data stored at index 0 of myArray to a value of 3.
DJ
@qualitymanifest
Feb 26 2016 07:36
@chandra90 you need to change myArray[0], but you're changing ourArray[0]
Rita Alfonso
@alfonsotech
Feb 26 2016 07:36
@chandra90 You have two different arrays, two dif fnames
Marina
@chandra90
Feb 26 2016 07:37
@qualitymanifest oops
Rita Alfonso
@alfonsotech
Feb 26 2016 07:37
hello everyone. happy coding
Marina
@chandra90
Feb 26 2016 07:37
@alfonsotech same to you! Thanks
CamperBot
@camperbot
Feb 26 2016 07:37
chandra90 sends brownie points to @alfonsotech :sparkles: :thumbsup: :sparkles:
:star: 306 | @alfonsotech | http://www.freecodecamp.com/alfonsotech
Rita Alfonso
@alfonsotech
Feb 26 2016 07:37
thanks @chandra90
CamperBot
@camperbot
Feb 26 2016 07:37
alfonsotech sends brownie points to @chandra90 :sparkles: :thumbsup: :sparkles:
:star: 181 | @chandra90 | http://www.freecodecamp.com/chandra90
Ankit Panwar
@coderNoob
Feb 26 2016 07:40
@URobert Not yet.
Robert Uivarosi
@URobert
Feb 26 2016 07:41
@coderNoob Here is my part of code dealing with duplicats
   for  (var u in tempResult){
        if(resultwithUniques.indexOf(tempResult[u]) === -1){
            resultwithUniques.push(tempResult[u]);
        }
    }
however I don't think that is your only problem
Ankit Panwar
@coderNoob
Feb 26 2016 07:46
@URobert Thanks. It's done.
CamperBot
@camperbot
Feb 26 2016 07:46
codernoob sends brownie points to @urobert :sparkles: :thumbsup: :sparkles:
:star: 627 | @urobert | http://www.freecodecamp.com/urobert
Robert Uivarosi
@URobert
Feb 26 2016 07:47
@coderNoob yw. That's the only part you changed ?
Ankit Panwar
@coderNoob
Feb 26 2016 07:47
@URobert Yup
function sym(args) {

  args = Array.prototype.slice.call(arguments);
  function SD(array1, array2){
    return array1.filter(function(element){
      return array2.indexOf(element)<0;
    });
  }
  function unique(array1, array2){
    return SD(array1, array2).concat(SD(array2, array1));
  }
  var final = args.reduce(function(prev, curr){
    return unique(prev, curr);
  });

  var resultwithUniques=[];

  for(var u in final){
      if(resultwithUniques.indexOf(final[u]) === -1){
          resultwithUniques.push(final[u]);
      }
    }

  return resultwithUniques;
}

sym([1, 1, 2, 5], [2, 2, 3, 5], [3, 4, 5, 5]);
Markus Kiili
@Masd925
Feb 26 2016 07:48
@coderNoob You should not use for...in loop on iterating over array indices.
Robert Uivarosi
@URobert
Feb 26 2016 07:48
@Masd925 why?
Ankit Panwar
@coderNoob
Feb 26 2016 07:48
@Masd925 Why not? It's always the first thing that comes to my mind when I need to iterate over anything.
bhagwant
@sagit2002
Feb 26 2016 07:49

```XY

```var gear = 0;

this.setGear = function() {
return gear;
};

this.getGear = function() {
return gear;
};

```var gear = 0;

this.setGear = function() {
return gear;
};

this.getGear = function() {
return gear;
};
```

What is wrong with the above code
Markus Kiili
@Masd925
Feb 26 2016 07:50
@URobert It is slower because it goes up the prototype chain looking for properties, the index order is not guaranteed to be in order and on real projects some libraries might add properties to arrays which would break your code. Also for...in handles holes differently from for loop.
Ankit Panwar
@coderNoob
Feb 26 2016 07:51
@Masd925 So we should instead use for(var = someValue; i<someOtherValue; i++)?
Markus Kiili
@Masd925
Feb 26 2016 07:51
@coderNoob For loop is the correct way.
Robert Uivarosi
@URobert
Feb 26 2016 07:51
   for  (var u = 0; u < tempResult.length; u++){
        if(resultwithUniques.indexOf(tempResult[u]) === -1){
            resultwithUniques.push(tempResult[u]);
        }
    }
then ? :D
Ankit Panwar
@coderNoob
Feb 26 2016 07:51
@Masd925 Okay thanks. I'll try to keep that in mind.
CamperBot
@camperbot
Feb 26 2016 07:51
codernoob sends brownie points to @masd925 :sparkles: :thumbsup: :sparkles:
:warning: codernoob already gave masd925 points
bhagwant
@sagit2002
Feb 26 2016 07:52
```
Robert Uivarosi
@URobert
Feb 26 2016 07:52
@Masd925 thanks for that. I very rarely use for in... mostly going standard. Thanks
CamperBot
@camperbot
Feb 26 2016 07:52
urobert sends brownie points to @masd925 :sparkles: :thumbsup: :sparkles:
:star: 1072 | @masd925 | http://www.freecodecamp.com/masd925
bhagwant
@sagit2002
Feb 26 2016 07:52
```js
Michael Poutre
@M1kep
Feb 26 2016 07:53
Is there anybody here who can please trey to help me with this stupid steamrololer ting
bhagwant
@sagit2002
Feb 26 2016 07:53

var gear = 0;

this.setGear = function() {
return gear;
};

this.getGear = function() {
return gear;
};

Michael Poutre
@M1kep
Feb 26 2016 07:53
I just keep crashing my browser,. but In my head the code makes sense
bhagwant
@sagit2002
Feb 26 2016 07:53
what is wrong with above code
Markus Kiili
@Masd925
Feb 26 2016 07:53
@sagit2002 setGear should set the gear with = operator. Therefore you need a parameter on setGear.
Michael Poutre
@M1kep
Feb 26 2016 07:53
well @sagit2002 setGear just returns gear rather than chaning it
function steamroller(arr) {
  newArray = [];
  for (a = 0; a < arr.length; a++) {
    if (Array.isArray(arr[a])) {
      newArray.push(steamroller(arr[a]));
    } else {
      newArray.push(arr[a]);
    }
  }
  return newArray;
}


steamroller([1, [2], [3, [[4]]]]);
PleasePleasePlease
somebody
bhagwant
@sagit2002
Feb 26 2016 07:55
@Masd925 Thanks a lot buddy
CamperBot
@camperbot
Feb 26 2016 07:55
sagit2002 sends brownie points to @masd925 :sparkles: :thumbsup: :sparkles:
:star: 1074 | @masd925 | http://www.freecodecamp.com/masd925
Markus Kiili
@Masd925
Feb 26 2016 07:57
@M1kep Try concating steamrolled elements to result. That way it picks the elements from inner arrays.
Shahriar raju
@Rajudevo
Feb 26 2016 07:57
167 multi-dimensional array, someone help plz
demipixel
@demipixel
Feb 26 2016 07:58
167 dimensions?
Because if so that's amazing
We should graph that
We can use my handy dandy 167D Graphing Engine
Shahriar raju
@Rajudevo
Feb 26 2016 07:59
myData = 8 is the task but i don't understand
demipixel
@demipixel
Feb 26 2016 07:59
What task
Shahriar raju
@Rajudevo
Feb 26 2016 08:00
step no 167 @demipixel
demipixel
@demipixel
Feb 26 2016 08:00
OOOHH
I thought the array had 167 dimensions
That makes more sense now
Alright
Access MultiDimensional Arrays With Indexes ?
Shahriar raju
@Rajudevo
Feb 26 2016 08:01
ya
demipixel
@demipixel
Feb 26 2016 08:01
Sweet, alright
So right now we have
[[1,2,3], [4,5,6], [7,8,9], [[10,11,12], 13, 14]]
Instead of imaging these each as arrays, just think of them as elements
Shahriar raju
@Rajudevo
Feb 26 2016 08:02
ya
demipixel
@demipixel
Feb 26 2016 08:02
[A, B, C, D]
A is [1,2,3]
B is [4,5,6]
etc
Now, which of these is "8" in?
Shahriar raju
@Rajudevo
Feb 26 2016 08:03
c
demipixel
@demipixel
Feb 26 2016 08:03
Right
Michael Poutre
@M1kep
Feb 26 2016 08:03
@Masd925 I think thats what im already doing by pushing th result to newArray and returing it to the preview call to steamroller
demipixel
@demipixel
Feb 26 2016 08:03
And what index is that at
Shahriar raju
@Rajudevo
Feb 26 2016 08:03
2
demipixel
@demipixel
Feb 26 2016 08:03
Okay, so
myArray[2] will actually give us [7,8,9]
What index is 8 at there
Shahriar raju
@Rajudevo
Feb 26 2016 08:04
ok let me try
demipixel
@demipixel
Feb 26 2016 08:04
Sweet
Michael Poutre
@M1kep
Feb 26 2016 08:04
But its still not working and io have zero clue as to way
why
Mihai Lita
@atryx
Feb 26 2016 08:05
function bouncer(arr) {
  // Don't show a false ID to this bouncer.
  var arr2 = [];
  var x = new Boolean(); 
  for ( i = 0 ; i < arr.length; i++ ) {
      x = arr[i];
      if ( x ) { 
        arr2.push(arr[i]);
      }
    }
  return arr2;
}
my code is working fine for the Falsy Bouncer problem
but I didn't use Array.filter
Markus Kiili
@Masd925
Feb 26 2016 08:05
@M1kep Result of steamroller call is always an array, so you are pushing arrays to your result instead of numbers.
demipixel
@demipixel
Feb 26 2016 08:06
I didn't even know new Boolean() was a thing
Markus Kiili
@Masd925
Feb 26 2016 08:06
@atryx No reason to use new Boolean() ever.
demipixel
@demipixel
Feb 26 2016 08:06
@atryx You don't have to use filter if you don't want to
I can teach you how if you'd like, though
Mihai Lita
@atryx
Feb 26 2016 08:07
@demipixel sure, would love it
Shahriar raju
@Rajudevo
Feb 26 2016 08:07

var myArray = [[1,2,3], [4,5,6], [7,8,9], [[10,11,12], 13, 14]];

// Only change code below this line.
var myData = myArray[0][0];
myData = myArray[2];
not worrking @demipixel

Mihai Lita
@atryx
Feb 26 2016 08:07
@Masd925 what should I use?
Michael Poutre
@M1kep
Feb 26 2016 08:07
@Masd925 not even for:
bonfire boo who
CamperBot
@camperbot
Feb 26 2016 08:07

:fire:Bonfire: Boo who :link:

function boo(bool) {
  // What is the new fad diet for ghost developers? The Boolean.
  return bool;
}

boo(null);

Check if a value is classified as a boolean primitive. Return true or false.

more info:  bf details | bf links | hint

Markus Kiili
@Masd925
Feb 26 2016 08:07
@atryx var x;
demipixel
@demipixel
Feb 26 2016 08:07
@Rajudevo myArray[2] contains [7,8,9]
Michael Poutre
@M1kep
Feb 26 2016 08:07
bf details
CamperBot
@camperbot
Feb 26 2016 08:07

:fire:Bonfire: Boo who :link:

function boo(bool) {
  // What is the new fad diet for ghost developers? The Boolean.
  return bool;
}

boo(null);
Check if a value is classified as a boolean primitive. Return true or false.
Boolean primitives are true and false.
Remember to use RSAP if you get stuck. Try to pair program. Write your own code.
links:
demipixel
@demipixel
Feb 26 2016 08:08
We only want "8"
So how do we get a value from an array?
@atryx Alright, so
Michael Poutre
@M1kep
Feb 26 2016 08:08
nvm im a tard
that was the first way i did it
butit didnt work
demipixel
@demipixel
Feb 26 2016 08:08
Do you know what filter does is the first thing?
Michael Poutre
@M1kep
Feb 26 2016 08:08
back to this stupid steamroller
Mihai Lita
@atryx
Feb 26 2016 08:08
@Masd925 in that case, I don't need x at all
Markus Kiili
@Masd925
Feb 26 2016 08:08
@M1kep Boolean object (created with new) and Boolean function are two different things. You use Boolean function yes.
Mihai Lita
@atryx
Feb 26 2016 08:09
function bouncer(arr) {
  // Don't show a false ID to this bouncer.
  var arr2 = [];
  for ( i = 0 ; i < arr.length; i++ ) {
     if ( arr[i] ) { 
        arr2.push(arr[i]);
      }
    }
  return arr2;
}
demipixel
@demipixel
Feb 26 2016 08:09
@atryx Sweet, okay, so
Filter literally does exactly that
Shahriar raju
@Rajudevo
Feb 26 2016 08:09
got it [2][1] @demipixel
Michael Poutre
@M1kep
Feb 26 2016 08:09
Hrrrrm
demipixel
@demipixel
Feb 26 2016 08:10
The paramater is a function that passes the element. If you return true, it stays in the array. If you return false, it gets kicked out
Mihai Lita
@atryx
Feb 26 2016 08:10
ok
demipixel
@demipixel
Feb 26 2016 08:10
@Rajudevo Sweet, man
Markus Kiili
@Masd925
Feb 26 2016 08:12
@M1kep String, Number, and Boolean objects are wrapper objects for using methods on corresponding primitive values. It is better not to create them yourselves. Only leads to problems if you do.
Michael Poutre
@M1kep
Feb 26 2016 08:14
UGH this steamroller thing is irrataiing me
ANd Ill make sure to stay away from using new Boolean and shiz niz
So not like Java :P
Markus Kiili
@Masd925
Feb 26 2016 08:14
@M1kep It works if you concat instead of push.
Nick Robson
@nickrobson
Feb 26 2016 08:15
@M1kep You should never be using new Boolean(true) in Java, anyway.
ismail norri
@ismailnorri
Feb 26 2016 08:15

Storing Values with the Equal Operator
In JavaScript, you can store a value in a variable with the assignment or equal (=) operator.

myVariable = 5;

Assigns the Number value 5 to myVariable.

Assignment always goes from right to left. Everything to the right of the = operator is resolved before the value is assigned to the variable to the left of the operator.

myVar = 5;
myNum = myVar;
Assigns 5 to myVar and then resolves myVar to 5 again and assigns it to myNum.

Instructions
Assign the value 7 to variable a.

Assign the contents of a to variable b.

// Setup
var a;
var b = 2;
var myVariable = 5;
var myVar = 5 ;
var myNum = 5 ;
var a = 7;
var b
var a = b ;

// Only change code below this line

Michael Poutre
@M1kep
Feb 26 2016 08:15
Well new Boolean(true); no, but stuff like new String() is what came to minmd
For some reasoin
Bartosz
@CataciD
Feb 26 2016 08:16
help format
CamperBot
@camperbot
Feb 26 2016 08:16

:point_right: code formatting [wiki]

Inline code

This an inline `<paste code here>` code formatting with a single backtick(`) at start and end around the code.

Code Block

```js ⇦ Type 3 backticks and then press [shift + enter ⏎] (type js or html or css)

<paste your code here>,
then press [shift + enter ⏎]

``` ⇦ Type 3 backticks, then press [enter ⏎]

See also: ☛ How to type Backticks | ☯ Compose Mode | ❄ Gitter Formatting Basics

:pencil: read more about code formatting on the FCC Wiki

Michael Poutre
@M1kep
Feb 26 2016 08:16
lol
Bartosz
@CataciD
Feb 26 2016 08:16
use this if you're pasting code
Markus Kiili
@Masd925
Feb 26 2016 08:16
@M1kep That is different because strings are objects in java.
ismail norri
@ismailnorri
Feb 26 2016 08:16

// Setup
var a;
var b = 2;
var myVariable = 5;
var myVar = 5 ;
var myNum = 5 ;
var a = 7;
var b
var a = b ;

// Only change code below this line