摘要: var s1="some";s1.color="red";console.log(s1.color); //undefinedconsole.log(typeof(s1)); //stringvar s1=new String("some");s1.color="red";console.log... 阅读全文
posted @ 2014-04-25 14:12 Canrz 阅读(318) 评论(2) 推荐(0)