pythonScript/applyTest.html at master · SmoothLatte/pythonScript · GitHub

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<html>
<head>
<title>call/apply/prototype test</title>
</head>
<script type="text/javascript">
	//person类
	function person(name, age) {
		this.name = name;
		this.age = age;
		this.say = function() {
			document.write("I am a person");
		}
		this.display = function() {
			document.write(this.name + "-" + this.age);
		}
	}
	//student类，继承自person
	function student(name, age, no) {
		person.apply(this, new Array(name, age));//与call不同的是，apply传递的是数组
		this.no = no;
		this.display = function() {//覆盖了父类的方法
			document.write(this.name + "-" + this.age + "-" + this.no);
		}
	}

	//创建person类
	var p = new person("captain", 21);
	p.display();//captain-21
	p.say();//I am a person
	//创建student类
	var s = new student("captain", 21, "06281097")
	s.display();//captain-21-06281097
	s.say();//I am a person 继承了父类的方法
<script>
<body>
</body>
</html>