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Click a jQuery 3.5 API Ajax Method signature or property in the table below to see in-depth information on it.

AlphabeticallyDescription
Global Ajax Event HandlersTop
The .ajaxComplete() method has one signature:
.ajaxComplete( handler(event,
               jqXHR, ajaxSettings))		Register an Ajax Event handler to be called when Ajax requests complete.
The .ajaxError() method has one signature:
.ajaxError( handler(event,
            jqXHR,ajaxSettings,thrownError))		Register an Ajax Event handler to be called when Ajax requests complete with an error.
The .ajaxSend() method has one signature:
.ajaxSend( handler(event,
           jqXHR, ajaxSettings))		Register an Ajax Event handler to be called before Ajax requests are sent.
The .ajaxStart() method has one signature:
.ajaxStart( handler())Register an Ajax Event handler to be called when an Ajax request starts and no other requests are in progress.
The .ajaxStop() method has one signature:
.ajaxStop( handler())Register an Ajax Event handler to be called when all Ajax requests are finished.
The .ajaxSuccess() method has one signature:
.ajaxSuccess( handler(event,
              jqXHR, ajaxSettings))		Register an Ajax Event handler to be called whenever an Ajax request completes successfully.
Helper FunctionsTop
The .param() method has two signatures:
jQuery.param( object )Create a serialized representation of an array or object, suitable for use in a URL query string or Ajax request.
jQuery.param( object, traditional )Create a traditional 'shallow' serialized representation of an array or object, suitable for use in a URL query string or Ajax request.
The .serialize() method has one signature:
.serialize()Encode a set of form elements as a string ready for submission.
The .serializeArray() method has one signature:
.serializeArray()Encode a set of form elements as an array of name/value pairs ready for encoding as a JSON string.
Low-Level InterfaceTop
The jQuery.ajax() method has two signatures:
jQuery.ajax( url [, settings])Perform an asynchronous HTTP (Ajax) request to be sent to the specified url, optionally passing some request settings.
jQuery.ajax( settings )Perform an asynchronous HTTP (Ajax) request, optionally passing some request settings.
The jQuery.ajaxPrefilter() method has one signature:
jQuery.ajaxPrefilter( [dataTypes],
   handler(settings,originalSettings,jqXHR))		Filter custom Ajax settings or modify the existing settings, before sending each request and before they are processed by the $.ajax() method..
The jQuery.ajaxSetup() method has one signature:
jQuery.ajaxSetup( settings )Initialize default settings for future Ajax requests.
Shorthand MethodsTop
The jQuery.get() method has two signatures:
jQuery.get( url [, data] [, function(data,
            textStatus,jqXHR)] [,dataType])		Load data from the server, using a HTTP GET request.
jQuery.get( settings )Load data from the server using a HTTP GET request, passing some request settings.
The jQuery.getJSON() method has one signature:
jQuery.getJSON( url [, data]
       [,function(data,textStatus,jqXHR)])		Load data from the server, that has been JSON encoded, using a HTTP GET request.
The jQuery.getScript() method has one signature:
jQuery.getScript( url
       [,function(data,textStatus,jqXHR)])		Load and execute a JavaScript file from the server, using a HTTP GET request.
The jQuery.post() method has two signatures:
jQuery.post(url [,data] [,function(data,
            textStatus,jqXHR)] [,dataType])		Load data from the server, using a HTTP POST request.
jQuery.post( settings )Load data from the server using a HTTP POST request, passing some request settings.
The .load() method has one signature:
.load(url [,data] [,function(responseText,
            textStatus, XMLHttpRequest)])		Load data from the server and populate the matched element from the returned HTML on successful completion.