复制代码 代码如下:
<script type="text/javascript">
function ajax()
{
var xmlhttp;
try
{
// firefox, opera 8.0+, safari
xmlhttp=new xmlhttprequest();
}
catch (e)
{
// internet explorer
try
{
xmlhttp=new activexobject("msxml2.xmlhttp");
}
catch (e)
{
alert("您的浏览器不支持ajax!");
return false;
}
}
}
</script>