摘要: 1 //删除数组中某个元素 2 Array.prototype.indexOf = function(val) { 3 for (var i = 0; i < this.length; i++) { 4 if (this[i] == val) return i; 5 } 6 return -1; 7 阅读全文
posted @ 2020-09-15 14:45 tcanhe 阅读(356) 评论(0) 推荐(0)