尝试一下 » - 在线编辑器

          <!DOCTYPE html>
<html>
<body>

  <p id="demo"></p>

  <script>
    var myObject, myArray;

    function myFunction(a, b) {
      return a * b;
    }
    myArray = [10, 2]
    myObject = myFunction.apply(myObject, myArray); // 返回 20
    document.getElementById("demo").innerHTML = myObject;
  </script>

</body>
</html>
        