继承_对象冒充.html

<!DOCTYPE html>
<html>
<head>
	<title>对象冒充</title>
</head>
<body>

</body>
<script type="text/javascript">
	function ClassA(Scolor){
		this.color = Scolor;
		this.sayColor = function(){
			alert(this.color)
		}
	}

	function ClassB(Scolor,Sname){
		this.newMethod = ClassA;
		this.newMethod(Scolor);
		delete this.newMethod;
		this.name = Sname;
		this.sayName = function(){
			alert(this.name);
		}
		// this.sayColor = function(Scolor){ //如果有重复的方法名要放到delete
		// 	alert(Scolor)
		// }
		delete this.newMethod;
	}

//ClassA为基类，ClassB为子类
var classb = new ClassB("yellow","huaz");
var classa = new ClassA("blue");
console.log(classb)
console.log(classa)
classb.sayColor();
classa.sayColor();
classb.sayName();
</script>
</html>