JavaScript---动态添加删除属性与方法和对象构造方法

Vangogh_java

于 2016-09-16 19:09:20 发布

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分类专栏： JavaScript

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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>JavaScript对象</title>
</head>
<body>
<script type="text/javascript">
	/* function speak(something){
		alert(something);
	}
	var p=new Object();
	p.name="Alen";//动态的添加属性
	p.func=speak;
	alert(p.name);
	p.func("Hello,Hello,大家好！"); */
	
	/* delete p.name;//删除属性
	alert(p.name);
	delete p.func;//注释快捷键Ctrl+shift+/
	p.func("Hello,Hello,大家好！"); */
	/* p.name=undefined;
	p.func=undefined;
	alert(p.name);
	p.func("Hello,Hello,大家好！"); */
	
	function person(name,age){
		this.name2=name;
		this.age2=age;
		function speak(something){
			alert(something);
		}
		this.func=speak;
	}
	var p1=new person("Jack",13);
	alert(p1.name2);
	p1.func("Hello,EveryOne!");
</script>
</body>
</html>