html运行实例（js_object_es5

代码示例：（标识：js_object_es5_5）

<!DOCTYPE html>
<html>
<body>

<h1>JavaScript Object.defineProperty()</h1>

<p>本例使用 defineProperty() 方法添加 getter 和 setter。</p>

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

<script>
// 创建对象：
const person = {firstName:"Bill", lastName:"Gates"};

// 定义 getter
Object.defineProperty(person, "fullName", {
  get: function () {return this.firstName + " " + this.lastName;}
});

// 显示全名
document.getElementById("demo").innerHTML = person.fullName;
</script>

</body>
</html>