摘要: Array.prototype.clone = function() { return this.slice();} var arr= [1,2, 3];var arr2 = arr.clone();console.log(arr2); // [1, 2, 3] 阅读全文
posted @ 2017-05-11 00:51 ax=null 阅读(120) 评论(0) 推荐(0)