<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><script type="text/javascript">var xmlHttp;function createXMLHttpRequest()
{ if(window.ActiveXObject)
{
xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
} else if(window.XMLHttpRequest)
{
xmlHttp = new XMLHttpRequest();
}
}function startRequest()
{ createXMLHttpRequest();
xmlHttp.onreadystatechange = handleStateChange;
xmlHttp.open("GET","simpleResponse.xml",true);
xmlHttp.send(null);
}function handleStateChange()
{ if(xmlHttp.readyState == 4)
{ if(xmlHttp.state == 200)
{ alert("The server replied with: " + xmlHttp.responseText);
}
}
}</script></head><body>
<form action="#">
<input type="button" value="Start Basic Asynchronous Request" onclick="startRequest()" />
</form></body></html>
simpleResponse.xml 文件里面要怎么寫 ?為什么警告框跳不出來?
慕婉清6462132
2023-04-26 19:15:22