Is it possible to abort a synchronous XmlHttpRequest?

Question

I have written a JavaScript function that asynchronously calls a web service using XmlHttpRequest. I have been asked to make this function finish its work before the page is

Answer 1

It is possible in IE.Use the timeout property.

the code below worked for me

xmlhttp.open("method","url",false);
xmlhttp.timeout="time in ms";
xmlhttp.ontimeout=function(){};
xmlhttp.send();