html运行实例（eg_js_function_value

代码示例：（标识：eg_js_function_value_1）

<!DOCTYPE html>
<html>
<body>

<h1>JavaScript 函数</h1>

<p>函数可以视为值：</p>

<p>x = myFunction(4,3) or x = 12</p>

<p>在这两种情况下，x 都变为值为 12 的数字。</p>

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

<script>
function myFunction(a, b) {
  return a * b;
}
var x = myFunction(4, 3);
document.getElementById("demo").innerHTML = x;
</script>

</body>
</html>