lovecoding
/
W0407


			
				
					
						
						
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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>
    <script>
        /**
         * ES6提供了class声明类
         * class xxx {}
         * constructor 构造函数
         * extends 继承
         * super 继承父类的属性
         * static 静态方法
        */
        class Person {
            constructor(name1,age1) {
                this.name = name1;
                this.age = age1;
            }
            say() {
                console.log("哈哈哈哈哈")
            }
            static eat() {
                console.log("你好")
            }
        }
        class A extends Person{
            constructor(name,age,address1) {
                super(name,age)
                this.address = address1;
            }
            // say() {
            //     console.log("吃东西")
            // }
        }
        let a = new A("图图",3,'上海');
        console.log(a)
        a.say();
        A.eat()
        // a.eat();
    </script>
</body>
</html>