javascript - How does AJAX work? - Stack Overflow The author, an Ajax expert, demonstrates how these technologies work together -- from an overview to a detailed look -- to make extremely efficient Web development an easy reality He also unveils the central concepts of Ajax, including the XMLHttpRequest object
Download a file asynchronously using Ajax - Stack Overflow I created jQuery File Download which allows for an "Ajax like" experience with file downloads complete with OnSuccess and OnFailure callbacks to provide for a better user experience Take a look at my blog post on the common problem that the plugin solves and some ways to use it and also a demo of jQuery File Download in action Here is the source
jquery - $. ajax - dataType - Stack Overflow contentType is the HTTP header sent to the server, specifying a particular format Example: I'm sending JSON or XML dataType is you telling jQuery what kind of response to expect Expecting JSON, or XML, or HTML, etc The default is for jQuery to try and figure it out The $ ajax() documentation has full descriptions of these as well
jQuery. ajax handling continue responses: success: vs . done? success has been the traditional name of the success callback in jQuery, defined as an option in the ajax call However, since the implementation of $ Deferreds and more sophisticated callbacks, done is the preferred way to implement success callbacks, as it can be called on any deferred For example, success:
definition - What is AJAX, really? - Stack Overflow AJAX (Asynchronous JavaScript and XML) is a newly coined term for two powerful browser features that have been around for years, but were overlooked by many web developers until recently when applications such as Gmail, Google Suggest, and Google Maps hit the streets