http://www.freecodecamp.com/mtroiani 's solution for Bonfire: Check for Palindromes

gistfile1.txt

// Bonfire: Check for Palindromes
// Author: @mtroiani
// Challenge: http://www.freecodecamp.com/challenges/bonfire-check-for-palindromes
// Learn to Code at Free Code Camp (www.freecodecamp.com)

function palindrome(str) {
  str = str.toLowerCase().replace(/[^\w]|_/g, "");
  var reversedStr = str.split("").reverse().join("");
  if (str === reversedStr)
    return true;
    else return false;
}

palindrome("A man, a plan, a canal. Panama");