Hi, my algorithm for the “Check for Palindromes” works in Chrome Developer console and other online tools, but not here in freecodecamp. What’s going on here?
Your code so far
function palindrome(string) {
string = string.toLowerCase();
var charactersArr = string.split(" ");
var validCharacters = "abcdefghijklmnopqrstuvwxyz".split(" ");
var lettersArr = [];
charactersArr.forEach(char => {
if (validCharacters.indexOf(char) > -1 ) letterArr.push(char);
});
if (lettersArr.join(" ") === lettersArr.reverse().join(" ")) return true;
}
palindrome("racecar");
Your browser information:
Your Browser User Agent is: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:55.0) Gecko/20100101 Firefox/55.0
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Link to the challenge: