js 基本类型-引用类型-深浅拷贝.html

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
<head>
	<meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
	<title>js 基本类型-引用类型-深浅拷贝</title>
	<script type="text/javascript">
		var obj=new Object();
		obj.name="zuobaiquan";
		var str="zbq";
		str.age=20;
		console.log(obj.name);// zuobaiquan
		console.log(str.age);// undefined

		var a = 1;
		var b = a;
		a = 2;
		console.log(a);//输出2；
		console.log(b);//输出1；
	</script>
</head>
<body>
	
</body>
</html>