日期:2014-05-16 浏览次数:20370 次
<html>
<body>
<script type="text/javascript">
xmlhttp=null;
if (window.XMLHttpRequest)
{// code for IE7+, Firefox, Chrome, Opera, Safari
xmlhttp=new XMLHttpRequest();
document.write("hell0,it's IE7+ <br>");
}
else
{// code for IE6, IE5
xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
document.write("hell0,it's IE6");
}
if(xmlhttp!=null)
{
xmlhttp.open("get","a.xml",false);
}
else
{
document.write("hell0,it's null");
}
</script>
</body>
</html>