Hello, World! AMS 1.0

JavaScript

var input = "";add("Hello, World!");out();

function add(number) {
  input += number;
}

function out() {
  alert(input);
}

function sub(number) {
  input -= number;
}

function del() {
  input = 0;
}

function set(value) {
  input = value;
}

function mul(number) {
  input *= number;
}

function div(number) {
  input /= number;
}

function hw() {
  input = "Hello, world!";
}