Weird Palindrome

weird.js

/*
 * so I decided to check out freecodecamp today, just to see how it was
 *
 * It's okay, but I have to question the value of learning to write a palindrome checker, that to my mind is not much use...
 * Here was my punt at it (it passed, I just don't love the look of it)
 */

function palindrome(str) {
  // Good luck!
  str = str.toLowerCase().replace(/[^a-z0-9]/g, '');
  var reversed = str.split("")
                    .reverse()
                    .join("");
  console.log(reversed,str)
  return str.toLowerCase() === reversed;
}

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