摘要: 代码输出结果 var A = {n: 4399}; var B = function(){this.n = 9999}; var C = function(){var n = 8888}; B.prototype = A; C.prototype = A; var b = new B(); var 阅读全文
posted @ 2022-09-13 10:08 xiaofeng123aa 阅读(178) 评论(0) 推荐(0)
摘要: 原型修改、重写 function Person(name) { this.name = name } // 修改原型 Person.prototype.getName = function() {} var p = new Person('hello') console.log(p.__proto_ 阅读全文
posted @ 2022-09-13 10:06 xiaofeng123aa 阅读(91) 评论(0) 推荐(0)