test-for-palindrome.js

function palindrome(str) {
  // make string lowercase   
  str.toLowerCase();
  // eliminate all weird characters
  str.replace(/\W,_/gi, '');
  
  // I need to turn the 'str' variable into an array and reverse it
  // turning it/assigning it into a new array, reverseStr
  var reverseStr = str.split('').reverse().join('');
  
  // I then need to compare the two arrays
  // to see if they are equal, if they are, then it's a palindrome.
  if (str === reverseStr) {
    return true;
  } else {
    return false;
  }
}
palindrome("_eye");