- 函数属性作为一个属性访问

<p>创建和使用对象方法。</p>

<p>对象方法是一个函数定义,并作为一个属性值存储。</p>

<p id="demo1"></p>

<p id="demo2"></p>

<script>

  var person = {

    firstName: "John",

    lastName: "Doe",

    id: 5566,

    fullName: function() {

      return this.firstName + " " + this.lastName;

    }

  };

  document.getElementById("demo1").innerHTML = "不加括号输出函数表达式：" + person.fullName;

  document.getElementById("demo2").innerHTML = "加括号输出函数执行结果：" + person.fullName();

</script>