Replace With Alphabet Position
function alphabetPosition(text) { var result = ""; for (var i = 0; i < text.length; i++) { var code = text.toUpperCase().charCodeAt(i) if (code > 64 && code < 91) result += (code - 64) + " "; } return result.slice(0, result.length - 1); } console.log(alphabetPosition("The sunset sets at twelve o' clock."));