Choose the best answer to describe ‘Deferred objects’

Which is not 'document' object methods?

function loadDoc() { varxhttp = new XMLHttpRequest(); xhttp.onreadystatechange = function() { if (this.readyState == 3 &&this.status == 200) { console.log(this.responseText); } }; xhttp.open('GET', ;'cd_catalog.xml', true); xhttp.send(); }

Which will change the class of XHTML element having ID of 'username'?

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

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

How will the response be parsed if responseType is set to "document" and the request has been made asynchronously?

AJAX applications are browser- and platform-dependent!

Can you perform file uploads using AJAX requests alone?

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

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