palindrom.js

//Make the following test cases pass

function isPalindrome(phrase) {
  const SPACE = " ";
  const lowerCharsInPhrase = phrase
    .toLowerCase()
    .split("")
    .filter(char => char !== SPACE);
  return lowerCharsInPhrase.join() === lowerCharsInPhrase.reverse().join();
}

function check(phrase, shouldBePalindrome) {
  console.log(isPalindrome(phrase) === shouldBePalindrome ? "PASS" : "FAIL");
}

check("abcba", true);

check("abcde", false);

check("Mr owl ate my metal worm", true);

check("Never Odd Or Even", true);

check("Never Even Or Odd", false);