<!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title></title> <script type="text/javascript"> function Father(name, age) { this.name = name; this.age = age; } Father.prototype.sayHi = function () { alert(this.name + "," + this.age); } function Son(name, age, gender) { this.gender = gender; Father.call(this, name, age); //继承“父类”的成员 } Son.prototype = new Father();//Father.prototype; var f1 = new Father("张三", 30); f1.sayHi(); var s1 = new Son("张三", "son", 1, true); </script> </head> <body> </body> </html>
08JS高级 ——“继承”
时间: 2024-10-10 16:06:36