<html><head><meta http-equiv="Content-Type" content="text/html; charset=gb2312" /><title>IE</title><script language="javascript" type="text/javascript">function checkMobile(str) { if(str==""){ alert("鎵嬫満鍙蜂笉鑳戒负绌猴紒"); } else{ var re = /^1\d{10}$/ 浠?寮€濮嬪悗闈㈠姞10浣嶆暟瀛? if (re.test(str)) { alert("姝ｇ‘"); } else { alert("鎵嬫満鍙锋牸寮忛敊璇紒"); } }}</script></head><body><input type="text" id="btn_getNum"/><input type="button" value="寰楀埌鏁板瓧" onclick="checkMobile(btn_getNum.value);"/></body></html>