How do you manually abort an Ajax request after a certain amount of time?

Most JavaScript libraries that provide AJAX support include this header in AJAX requests by default.

Can an XMLHttpRequest object be used to receive binary data?

What does JSON do?

True or false? Ajax can be used to open a connection from the server to the browser without the browser making an explicit request.

Can you make an XMLHttpRequest asynchronous call to a page on a different top level domain from the current page's top level domain?

Choose the best statement for the expression JSON.stringify(jsObj);

What does the status == 404 means ?

In an ajax request function callback you have the following code $('#childdiv').html(data); choose the most probable reason why a previous delegated 'click' event no longer functions

Which object.method is responsible for writing text to current web page?

Which can be used to display 'inProcess.png' image while processing request?