let message= function(heartSay){
  [73 , 32, 108, 111, 118, 101, 32, 121, 111, 117].forEach(function(value){
    heartSay+=String.fromCharCode(value)
  });
  return heartSay;
}
message('')
//"I love you"

/* Another Ways of calling the above function by using ECMAScript 6 arrows  */
let message= heartSay =>{
  [73 , 32, 108, 111, 118, 101, 32, 121, 111, 117].forEach((value)=> heartSay+=String.fromCharCode(value));
  return heartSay;
}
message('')
//"I love you"