摘要: ###好未来二面: ####打印结果: function ClassA() { this.x = 'hello'; } ClassA.prototype.x = 'world'; var a = new ClassA(); a.x = 'what' console.log(a.x); delete 阅读全文
posted @ 2021-08-20 19:14 卿六 阅读(39) 评论(0) 推荐(0) 编辑