前端必会面试题-CSDN博客1.类的创建和继承(1)原型链的继承function Animal(){ this.name="猫"; this.sex="雌性"; } Animal.prototype.say="您好"; function Cat(){ this.a="123"; th...... admin2023-10-13
前端必会面试题-CSDN博客1.类的创建和继承(1)原型链的继承function Animal(){ this.name="猫"; this.sex="雌性"; } Animal.prototype.say="您好"; function Cat(){ this.a="123"; th...... admin2023-10-13