lovecoding
/
W250511


			
				
					
						
						
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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>
        // 类的定义
        class Person{
            // 类的构造函数
            constructor(name,age){
                this.username = name;
                this.age = age;
            }
            // 类的方法
            talk(){
                console.log(`我叫${this.username},我今年${this.age}岁`)
            }
        }

        // let p1 = new Person("张三",18);
        // console.log(p1.username);
        // p1.talk();

        // 类的继承
        class Teacher extends Person{
            constructor(name,age,school){
                super(name,age);
                this.school = school;
            }
            // 私有方法
            showSchool(){
                console.log("我的学校是"+this.school);
            }
        }

        let t1 = new Teacher("张三",18,"清华大学");
        console.log(t1.username);
        t1.talk();
        t1.showSchool();
    </script>
</body>
</html>