js实现原型继承.html

<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>Document</title>
	<script type="text/javascript">
		var a ={
			name:'mzhuang'
		}
		a.getName = function() {
			return this.name;
		}
		var b = cloneObj(a);
		b.name='bbb';

		console.log(b.getName())
		function cloneObj (obj) {
			var F=function() {};
			F.prototype = obj;
			return new F();
		}


		var father = function() {

		}

		father.prototype.a = function() {

		}

		var child = function(){}

		//开始继承

		child.prototype = new father();

		var man = new child();

		man.a();
	</script>
</head>
<body>
	
</body>
</html>