The responseText or responseXML property of the XMLHttpRequest ____?

Which is HTTP response headers?

Which is General HTTP headers?

Which is correct for the term 'Progressive enhancement'?

Which XMLHttpRequest Object method returns all the header information?

Which method can be used to assign multiple event handlers?

Which readystate value indicates the response has been fully received from the asynchronous request?

How would you configure a *synchronous* GET request to "/resource" after instantiating a new XMLHttpRequest object: var xhr = new XMLHttpRequest();?

What is the proper way to execute a callback function while making a "synchronous" request?

When your Ajax request is complete, what attribute of the XML HTTP request object contains the returned data?

How does Google recommend you make an Ajax-dependent page accessible to their web crawler?