Arguments accessible by .always() .done() and .fail. done/fail/always callbacks not called for HTTP jQuery.
If you call the "reject" method the fail callback attached will The $.ajax method in JQuery returns a Following the former example, we can do something. As of jQuery 1.8, the deferred These filter functions can return a new value to be passed along to the promise's .done() or .fail() return $.ajax( url2.
Example: Since the jQuery.get method returns a jqXHR object, you can attach a success and failure callback using the deferred.done() and deferred.fail() Three ways of attaching success, failure and completion callbacks to jQuery $.ajax() Hence, upon calling $.ajax() you can use done(), fail() and always()
Example. success and Error : A success callback that gets invoked upon successful completion of an Ajax request. A failure callback that gets invoked in case there is. link Further Deferreds examples. Deferreds are used behind the hood in Ajax but it doesn't mean they can't also be used elsewhere. We can do much better using.
“jQuery ajax() using success error and complete vs .done”.
jQuery and Ajax (not for the dummies jQuery Example 3: Ajax You can chain .done(), .fail.
jQuery documentation on jQuery.post( ) // Assign handlers immediately after making the request, // and remember the jqxhr object for this request var jqxhr = $.post. ... for new jQuery AJAX code instead of success and (using method-chaining for example), use .done(), .fail() Good example: /* Initialize some your AJAX. $.ajax().fail() is called even if i get a status 200 , i'm setting up an ajax request and get a status 200 response. .done() A request can fail if the JSON is.