text: "use strict";
  var input1 = document.getElementById("num1");
  var input2 = document.getElementById("num2");
  var button = document.getElementById("button");
  function sum(a, b) {
      return a + b;
  }
  button.addEventListener('click', function () {
      console.log(sum(Number(input1.value), Number(input2.value)));
  });
  