JS高级---逆推继承看原型
- 作者: 乱气质
- 来源: 51数据库
- 2021-10-19
逆推继承看原型
function f1(age) { this.age = age; } function f2(age) { this.age = age; } f2.prototype = new f1(10); function f3(age) { this.age = age; } f3.prototype = new f2(20); var f3 = new f3(30); console.log(f3.age);//
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