xhrFields: An object to set on the native XHR object.xhr: A callback for creating the XMLHttpRequest object.username: A username to be used with XMLHttpRequest in response to an HTTP access authentication request.url: A string containing the URL to which the request is sent.type: The type of request to make, which can be either “POST” or “GET”.traditional: Set this to true if you wish to use the traditional style of param serialization.timeout: A number that specifies a timeout (in milliseconds) for the request.success: A function to be called if the request succeeds.statusCode: An object of numeric HTTP codes and functions to be called when the response has the corresponding code.scriptCharset: Sets the charset attribute on the script tag used in the request but only applies when the “script” transport is used.scriptAttrs: Defines an object with additional attributes to be used in a “script” or “jsonp” request.processData: Set this option to false if you don’t want the data passed in to the data option (if not a string already) to be processed and transformed into a query string.
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password: A password to be used with XMLHttpRequest in response to an HTTP access authentication request.mimeType: A string that specifies the mime type to override the XHR mime type.jsonpCallback: Specifies the callback function name for a JSONP request.jsonp: A string to override the callback function name in a JSONP request.isLocal: Set this option to true if you want to force jQuery to recognize the current environment as “local”.ifModified: Set this option to true if you want to force the request to be successful only if the response has changed since the last request.headers: An object of additional headers to send to the server.global: Whether to trigger global Ajax event handlers for this request.error: A function to be called if the request fails.dataType: The type of data expected back from the server.dataFilter: A function to be used to handle the raw response data of XMLHttpRequest.data: The data to send to the server when performing the Ajax request.crossDomain: Set this property to true to force a cross-domain request (such as JSONP) on the same domain.converters: An object containing dataType-to-dataType converters.context: An object to use as the context ( this) of all Ajax-related callbacks.contentType: The content type of the data sent to the server.contents: An object that determines how the library will parse the response.complete: A function to be called when the request finishes (after success and error callbacks are executed).cache: Set this option to false to force requested pages not to be cached by the browser.beforeSend: A pre-request callback function that can be used to modify the jqXHR object before it is sent.async: Set this option to false to perform a synchronous request.accepts: The content type sent in the request header that tells the server what kind of response it will accept in return.In the list below you can find their names and their description sorted in alphabetic order: There are a lot of different options you can specify to bend $.ajax() to your needs. In case you want to study their meaning in depth, you can refer to the official documentation of $.ajax(). The list of the options accepted by this function, described in the next section, is very long, so I’ll keep their description short. In the second form, the URL is specified in the settings parameter, or can be omitted, in which case the request is made to the current page. In its first form, this function performs an Ajax request using the url parameter and the options specified in settings. The url parameter is a string containing the URL you want to reach with the Ajax call, while settings is an object literal containing the configuration for the Ajax request. The signatures of this function are shown below: $. The $.ajax() function is what every function discussed in the previously mentioned article calls behind the scene using a preset configuration. It was added to the library a long time ago, existing since version 1.0. The jQuery $.ajax() function is used to perform an asynchronous HTTP request.
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