What happens if an Ajax call completes (and calls its callback function) when other JavaScript is currently running?

What arguments MUST be supplied to an XMLHttpRequest object's .open() method, and in what order?

Ajax is frequently expanded as "asynchronous JavaScript and XML," which is misleading. Which of these words is not central to Ajax's functionality?

You're issuing a request to "/resource" using XMLHttpRequest (xhr) where the server returns a 301 or 302 status code, what happens?

What HTTP response header is expected in reply to a CORS request?

What value of the XMLHttpRequest object's readystate attribute indicates that the response data (i.e. not the headers) is currently being sent back from the server?

Which statement is true about following code? $.ajax({ method: 'GET', url: 'test.js', dataType: 'script' });

Which method can be used to delete node from DOM tree?

Which numbers, in callback function of request object, can be tested against request.readyState to make sure that server has finished processing request?

Which jQuery AJAX function is used to set default values for future AJAX requests?

Which is true for asynchronous requests and response?