<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=gb2312" /><title>無(wú)標(biāo)題文檔</title><script src="jquery.js"></script><script> function check(){ var $mobile = $("#shouji"); if($mobile.attr("value") == ""){ var oht = "<font>內(nèi)容為空</font>"; $mobile.append(oht); } return true; }</script></head><body> 手機(jī)號(hào)碼驗(yàn)證：<input id="shouji" type="text" value="" onblur="return check()"/><br/></body></html>
對(duì)input無(wú)法使用append在其后添加節(jié)點(diǎn)，為什么？
hello5world
2016-04-08 10:30:40
