摘要: var dic={A:"AA",B:"BB",C:"CC"} //不能length去for循环(length:undefined) dic["D"]="DD"; //新增键值对 var tmp=dic["D"]; //通过key获取值 for (var key in dic) { var item 阅读全文
posted @ 2019-01-04 19:06 Ace001 阅读(57841) 评论(0) 推荐(8) 编辑