map sederhana

by Dedi Wibisono

JavaScript

var arr = ["h1","h2","h3"];
//arr[2] = "h4"

var newArr = arr.map(function(x){
  return x == "h3"
  if (x == "h3") {
    return "h4"
  } else {
    return x
  }
})

console.log(arr);
console.log(newArr); 

/* var check = function triple(x){
  return x * 30
}

var newVal = check

console.log(newVal(3)) */