摘要: var test = function (arg1, arg2) { alert(arg1 + "_" + arg2); } //alert出来的是 liu_lun test("liu", "lun"); //alert出来的是 liulun_undefined test("liulun"); //alert出来的是 liu_lun test("liu", "lun", "cnblog"); var test2 = functi... 阅读全文
posted @ 2013-01-06 17:26 liulun 阅读(364) 评论(0) 推荐(0) 编辑