Ajax检测用户名
<script type="text/javascript">function checkUserName() { var oVal = document.getElementById("txtVal"); //对URL进行编码 var url = encodeURI("test2.aspx?username="+oVal.value+"&tmp=" + new Date().getTime()); var fnLoadding = function() { displayLoadding(document.getElementById("spnText")); } var fnCallBack = function(oRequest) { document.getElementById("spnText").innerHTML = oRequest; } oHttp.Get(url, fnLoadding, fnCallBack); }</script><table cellpadding="0" cellspacing="0" border="0"> <tr> <td><input id="txtVal" type="text" value=""/></td> <td style="text-align:left; width:200px;"><span id="spnText" style="color:#F00;"></span></td> </tr> </table>
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