html运行实例（eg_js_invoke_constructor）-搜寻教程库

代码示例：（标识：eg_js_invoke_constructor）

<!DOCTYPE html>
<html>
<body>

<h1>JavaScript 函数</h1>

<p>在这个例子中，myFunction 是一个函数构造函数：</p>

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

<script>
function myFunction(arg1, arg2) {
  this.firstName = arg1;
  this.lastName  = arg2;
}

var x = new myFunction("Bill","Gates")
document.getElementById("demo").innerHTML = x.firstName; 
</script>

</body>
</html>