chouyou
(chouyou)
新手上路
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UID 62783
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注册 2004-12-28
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[推荐阅读] 由unlink看xp ntfs系统文件夹的权限设置
<html>
<body>
<form>
First Name:
<input type="text" id="txt1" onkeyup="showHint(this.value)">
</form>
<p>Suggestions: <span id="txtHint"></span></p>
<script type="text/javascript">
<!--
function showHint(str)
{
if (str.length > 0)
{
var url="3.php";
xmlHttp=GetXmlHttpObject(stateChanged) ;
xmlHttp.open("GET", url , true)
xmlHttp.send(null)
}
else
{
document.getElementById("txtHint").innerHTML=""
}
}
function stateChanged()
{
if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
{
document.getElementById("txtHint").innerHTML=xmlHttp.responseText ;
}
}
function GetXmlHttpObject(handler)
{
var objXmlHttp=null
if (navigator.userAgent.indexOf("Opera")>=0)
{
alert("This example doesn't work in Opera")
return;
}
if (navigator.userAgent.indexOf("MSIE")>=0)
{
var strName="Msxml2.XMLHTTP"
if (navigator.appVersion.indexOf("MSIE 5.5")>=0)
{
strName="Microsoft.XMLHTTP"
}
try
{
objXmlHttp=new ActiveXObject(strName)
objXmlHttp.onreadystatechange=handler
return objXmlHttp
}
catch(e)
{
alert("Error. Scripting for ActiveX might be disabled")
return
}
}
if (navigator.userAgent.indexOf("Mozilla")>=0)
{
objXmlHttp=new XMLHttpRequest()
objXmlHttp.onload=handler
objXmlHttp.onerror=handler
return objXmlHttp
}
}
-->
</script>
</body>
</html>
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