ajax.html
复制代码 代码如下:
<script>
functionf(){
varreq=newActiveXObject("Microsoft.XMLHTTP");
req.open("GET","t.asp?t1="+t1.value,true);
req.onreadystatechange=function(){
　if(req.readyState==4){
　if(req.status==200){
　　msg.innerText=req.responseXML.documentElement.tagName;
}
}
}
req.send(null);
}
</script>
<div>1：显示"OK";其他字符:显示"Error"</div>
<inputid=t1value=1>
<inputtype=buttonvalue="检测"onclick="javascript:f()"><ahref="javascript:f()">检测</a>
<divid=msg></div>

t.asp
复制代码 代码如下:
<%
Response.ContentType="text/xml"
response.charset="gb2312"
ifrequest.querystring("t1")="1"then
response.write("<OK/>")
else
response.write("<ERROR/>")
endif
%>