闭包类 demo

最新推荐文章于 2023-11-20 10:02:09 发布

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最新推荐文章于 2023-11-20 10:02:09 发布

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分类专栏： javascript

本文链接：https://blog.youkuaiyun.com/liuqiang211/article/details/52053561

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<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>Document</title>
</head>
<body>
<script type="text/javascript">
var Student = (function(){
	var num = 0;	
	return function(name, age){
		num++;
		console.log("num=="+num)
		var chineseAge;
		this.name = name;
		this.age = age;
		chineseAge = age;
		this.getChineseAge = function(){
			return chineseAge;
		}
	};
})();

Student.prototype = {
	lesson : 'javascript',
	getTeacher : function(){
		console.log('studeng prototype:Mr Zhang');
	}
}
var xiaoWang = new Student('wang', 20);
var xiaoLi = new Student('li', 30);
console.log(xiaoWang);
console.log(xiaoLi);
console.log(xiaoWang.name);
xiaoWang.getTeacher();
/*
结果：
num==1
02 闭包类.html (第 13 行)
num==2
02 闭包类.html (第 13 行)
Object { name="wang",  age=20,  lesson="javascript",  更多...}
02 闭包类.html (第 32 行)
Object { name="li",  age=30,  lesson="javascript",  更多...}
02 闭包类.html (第 33 行)
wang
02 闭包类.html (第 34 行)
studeng prototype:Mr Zhang
*/
</script>
</body>
</html>