lovecoding
/
W250913


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <!-- 
        组合继承：
            原型链继承 + 构造函数继承
        实现：call/apply + 原型链
    -->
    <script>
        function Person(x) {
            this.x = x;
            this.name = '图图';
            this.age = 3;
            this.list = ['吃饭', '睡觉', '打豆豆'];
        }
        Person.prototype.say = function () {
            console.log("你好");
        }
        function Child(val) {
            Person.call(this,val)
        }
        Child.prototype = new Person();
        
        let c1 = new Child('北京');
        let c2 = new Child('哈尔滨');
        c2.list.push("12");
        console.log(c1, 'c1', c1.list)
        console.log(c2, 'c2', c2.list)
        c1.say()
    </script>
</body>

</html>