<script language="javascript">
var xmlHttp;
if (window.ActiveXObject){
xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
}
else if (window.XMLHttpRequest){
xmlHttp=new XMLHttpRequest();
}
var now = new Date();
var num=now.getYear()+now.getMonth()+now.getDay()+now.getHours()+now.getMinutes()+now.getTime()
var url="clicks.aspx?id=1564132&"+num;
xmlHttp.open("GET",url,true);
xmlHttp.onreadystatechange=yang;
xmlHttp.send(null);
function yang()
{
if(xmlHttp.readyState==4){
if(xmlHttp.status==200){
var mes= xmlHttp.responseText;
document.getElementById("Click").innerHTML=mes;
}
}
}
</script>
var xmlHttp;
if (window.ActiveXObject){
xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
}
else if (window.XMLHttpRequest){
xmlHttp=new XMLHttpRequest();
}
var now = new Date();
var num=now.getYear()+now.getMonth()+now.getDay()+now.getHours()+now.getMinutes()+now.getTime()
var url="clicks.aspx?id=1564132&"+num;
xmlHttp.open("GET",url,true);
xmlHttp.onreadystatechange=yang;
xmlHttp.send(null);
function yang()
{
if(xmlHttp.readyState==4){
if(xmlHttp.status==200){
var mes= xmlHttp.responseText;
document.getElementById("Click").innerHTML=mes;
}
}
}
</script>
本文展示了一个使用JavaScript进行异步HTTP GET请求的例子。通过创建XMLHttpRequest对象或使用ActiveXObject来实现跨浏览器兼容性,并利用onreadystatechange事件处理响应状态的变化。
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