Text to hexadecimal and vice versa

TextHexadecimal.js

function decrypt(s){
  return s.split(" ").map(function(c){return String.fromCharCode(parseInt(c,16))}).join("");
}

function encrypt(s) {
    return s.split("").map(function(c){return c.codePointAt(c).toString(16)}).join(" ");
}