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##### Activity
CamperBot
@camperbot

hint [6/9]

type hint for next hint :pencil: [Contribute at the FCC Wiki]

lllunch
@lllunch
hint
CamperBot
@camperbot

hint [7/9]

## First

function palindrome(str) {
var normalizedStr = str.replace(/[\W_]/g, '').toLowerCase();
var reverseStr = normalizedStr.split('').reverse().join('');
return normalizedStr === reverseStr;
}

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lllunch
@lllunch
hint
CamperBot
@camperbot

hint [8/9]

## Second

function palindrome(str) {
str = str.toLowerCase().replace(/[\W_]/g, '');
for(var i = 0, len = str.length - 1; i < len/2; i++) {
if(str[i] !== str[len-i]) {
return false;
}
}
return true;
}

# Code Explanation:

We use regular expressions to replace any uppercase letter into a lowercase. Then we check if the string is the same as the reversed string using split() to split the original string by characters, then reverse and then join it back together.

type hint for next hint :pencil: [Contribute at the FCC Wiki]

lllunch
@lllunch
hint
CamperBot
@camperbot

hint [9/9]

## Recursive Solution

function palindrome(str) {
// make all letters lowercase and remove non-alphanumeric characters
str = str.toLowerCase();
str = str.replace(/[^a-z|1-9]/g, "");

// if the length of the string is 0 then it is a palindrome
if (str.length === 0){
return true;
}
// if the first letter and the last letter of the string do not equal eachother then it is not a palindrome
if (str[0] !== str[str.length-1]){
return false;
}
//Else, run the function without the first and last characters.
else{
return palindrome(str.slice(1,str.length - 1));
}
}

# Credits:

If you found this page useful, you can give thanks by copying and pasting this on the main chat: Thanks @Rafase282 @abhisekp @shadowfool

type hint for next hint :pencil: [Contribute at the FCC Wiki]

Julie
@robojukie
hint
CamperBot
@camperbot

hint [1/9]

## ## :construction: After this are possible spoiler hints.

Make sure you've tried to hard to solve it yourself before proceeding. :construction:

type hint for next hint :pencil: [Contribute at the FCC Wiki]

Julie
@robojukie
hint
CamperBot
@camperbot

hint [2/9]

# Explanation:

You have to check if the string you get as an input is a palindrome and return true if it is, and false otherwise.

type hint for next hint :pencil: [Contribute at the FCC Wiki]

Julie
@robojukie
hint
CamperBot
@camperbot

hint [3/9]

## Hint: 1

You may use regular expressions (RegExp) to remove unwanted characters from the string.

type hint for next hint :pencil: [Contribute at the FCC Wiki]

Julie
@robojukie
hint
CamperBot
@camperbot

hint [4/9]

## Hint: 2

You may use Array.prototype.split and Array.prototype.join methods or for loop.

type hint for next hint :pencil: [Contribute at the FCC Wiki]

Julie
@robojukie
hint
CamperBot
@camperbot

hint [5/9]

## Hint: 3

You may lowercase the string using String.prototype.toLowerCase.

type hint for next hint :pencil: [Contribute at the FCC Wiki]

Julie
@robojukie
hint
CamperBot
@camperbot

hint [6/9]

type hint for next hint :pencil: [Contribute at the FCC Wiki]

Julie
@robojukie
hint
CamperBot
@camperbot

hint [7/9]

## First

function palindrome(str) {
var normalizedStr = str.replace(/[\W_]/g, '').toLowerCase();
var reverseStr = normalizedStr.split('').reverse().join('');
return normalizedStr === reverseStr;
}

type hint for next hint :pencil: [Contribute at the FCC Wiki]

Julie
@robojukie
hint
CamperBot
@camperbot

hint [8/9]

## Second

function palindrome(str) {
str = str.toLowerCase().replace(/[\W_]/g, '');
for(var i = 0, len = str.length - 1; i < len/2; i++) {
if(str[i] !== str[len-i]) {
return false;
}
}
return true;
}

# Code Explanation:

We use regular expressions to replace any uppercase letter into a lowercase. Then we check if the string is the same as the reversed string using split() to split the original string by characters, then reverse and then join it back together.

type hint for next hint :pencil: [Contribute at the FCC Wiki]

Julie
@robojukie
hint
CamperBot
@camperbot

hint [9/9]

## Recursive Solution

function palindrome(str) {
// make all letters lowercase and remove non-alphanumeric characters
str = str.toLowerCase();
str = str.replace(/[^a-z|1-9]/g, "");

// if the length of the string is 0 then it is a palindrome
if (str.length === 0){
return true;
}
// if the first letter and the last letter of the string do not equal eachother then it is not a palindrome
if (str[0] !== str[str.length-1]){
return false;
}
//Else, run the function without the first and last characters.
else{
return palindrome(str.slice(1,str.length - 1));
}
}

# Credits:

If you found this page useful, you can give thanks by copying and pasting this on the main chat: Thanks @Rafase282 @abhisekp @shadowfool

type hint for next hint :pencil: [Contribute at the FCC Wiki]

yoni chanowitz
@yonichanowitz
hint
CamperBot
@camperbot

hint [1/9]

## ## :construction: After this are possible spoiler hints.

Make sure you've tried to hard to solve it yourself before proceeding. :construction:

type hint for next hint :pencil: [Contribute at the FCC Wiki]

yoni chanowitz
@yonichanowitz
hint
CamperBot
@camperbot

hint [2/9]

# Explanation:

You have to check if the string you get as an input is a palindrome and return true if it is, and false otherwise.

type hint for next hint :pencil: [Contribute at the FCC Wiki]

yoni chanowitz
@yonichanowitz
hint
CamperBot
@camperbot

hint [3/9]

## Hint: 1

You may use regular expressions (RegExp) to remove unwanted characters from the string.

type hint for next hint :pencil: [Contribute at the FCC Wiki]

Oleg Malinovsky
@Cerberussian
hint
CamperBot
@camperbot

hint [1/9]

## ## :construction: After this are possible spoiler hints.

Make sure you've tried to hard to solve it yourself before proceeding. :construction:

type hint for next hint :pencil: [Contribute at the FCC Wiki]

Oleg Malinovsky
@Cerberussian
hint
CamperBot
@camperbot

hint [2/9]

# Explanation:

You have to check if the string you get as an input is a palindrome and return true if it is, and false otherwise.

type hint for next hint :pencil: [Contribute at the FCC Wiki]

Oleg Malinovsky
@Cerberussian
bf chunky monkey
CamperBot
@camperbot

function chunk(arr, size) {
// Break it up.
return arr;
}

chunk(['a', 'b', 'c', 'd'], 2);

Write a function that splits an array (first argument) into groups the length of size (second argument) and returns them as a multidimensional array.

more info:  bf details | bf links | hint

Oleg Malinovsky
@Cerberussian
bf details
CamperBot
@camperbot

## :fire:Bonfire: Check for Palindromes :link:

function palindrome(str) {
// Good luck!
return true;
}

palindrome("eye");
Return true if the given string is a palindrome. Otherwise, return false.
A palindrome is a word or sentence that's spelled the same way both forward and backward, ignoring punctuation, case, and spacing.
You'll need to remove punctuation and turn everything lower case in order to check for palindromes.
We'll pass strings with varying formats, such as "racecar", "RaceCar", and "race CAR" among others.
Remember to use RSAP if you get stuck. Try to pair program. Write your own code.
Oleg Malinovsky
@Cerberussian
bf chunky monkey
CamperBot
@camperbot
Sorry, can't find a bonfire called details chunky monkey. [ Check the map? ]
Oleg Malinovsky
@Cerberussian
bf chunky monkey details
CamperBot
@camperbot
Sorry, can't find a bonfire called chunky monkey details. [ Check the map? ]
Oleg Malinovsky
@Cerberussian
bf chunky monkey
CamperBot
@camperbot

function chunk(arr, size) {
// Break it up.
return arr;
}

chunk(['a', 'b', 'c', 'd'], 2);

Write a function that splits an array (first argument) into groups the length of size (second argument) and returns them as a multidimensional array.

more info:  bf details | bf links | hint

Oleg Malinovsky
@Cerberussian
hint
CamperBot
@camperbot

hint [3/9]

## Hint: 1

You may use regular expressions (RegExp) to remove unwanted characters from the string.

type hint for next hint :pencil: [Contribute at the FCC Wiki]

Justin
@JustinHatchett
hint
CamperBot
@camperbot

hint [1/9]

## ## :construction: After this are possible spoiler hints.

Make sure you've tried to hard to solve it yourself before proceeding. :construction:

type hint for next hint :pencil: [Contribute at the FCC Wiki]

Justin
@JustinHatchett
hint