How to write palindrome in JavaScript

Question

I wonder how to write palindrome in javascript, where I input different words and program shows if word is palindrome or not. For example word noon is palindrome, while bad

Answer 1

You could also do something like this :

function isPalindrome(str) {
var newStr = '';

for(var i = str.length - 1; i >=0; i--) {
    newStr += str[i];
}

if(newStr == str) {
    return true;
    return newStr;
} else {
    return false;
    return newStr;
}
}