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ajaxForm and ajaxSubmit Options

Both ajaxForm and ajaxSubmit support numerous options which can be provided using plain JavaScript options object containing any of the options below:
Note: Aside from the options listed below, you can also pass any of the standard $.ajax settings to ajaxForm and ajaxSubmit.

beforeSerialize

Default: null
Callback function to be invoked before the form is serialized. This provides an opportunity to manipulate the form before it's values are retrieved. The beforeSerialize function is invoked with two arguments: the jQuery object for the form, and the Options Object passed into ajaxForm/ajaxSubmit.

beforeSerialize: function($form, options) {
  // return false to cancel submit
}

beforeSubmit

Default: null
Callback function to be invoked before the form is submitted. The 'beforeSubmit' callback can be provided as a hook for running pre-submit logic or for validating the form data. If the 'beforeSubmit' callback returns false then the form will not be submitted. The 'beforeSubmit' callback is invoked with three arguments: the form data in array format, the jQuery object for the form, and the Options Object passed into ajaxForm/ajaxSubmit.

beforeSubmit: function(arr, $form, options) {
  // The array of form data takes the following form:
  // [ { name: 'username', value: 'jresig' }, { name: 'password', value: 'secret' } ]

  // return false to cancel submit
}

clearForm

Default: null
Boolean flag indicating whether the form should be cleared if the submit is successful

data

Default: {}
An object containing extra data that should be submitted along with the form.

data: { key1: 'value1', key2: 'value2' }

dataType

Default: null
Expected data type of the response. One of: null, 'xml', 'script', or 'json'. The dataType option provides a means for specifying how the server response should be handled. This maps directly to the jQuery.httpData method. The following values are supported:

'xml': if dataType == 'xml' the server response is treated as XML and the 'success' callback method, if specified, will be passed the responseXML value

'json': if dataType == 'json' the server response will be evaluted and passed to the 'success' callback, if specified

'script': if dataType == 'script' the server response is evaluated in the global context

error

Deprecated due to incompatiblity with jQuery 3 Slim. (issue #544)
Callback function to be invoked upon error.

forceSync

Default: false
Boolean value. Set to true to remove short delay before posting form when uploading files (or using the iframe option). The delay is used to allow the browser to render DOM updates prior to performing a native form submit. This improves usability when displaying notifications to the user, such as "Please Wait…" (version added: 2.38)

iframe

Default: false
Boolean flag indicating whether the form should always target the server response to an iframe. This is useful in conjuction with file uploads. See the File Uploads documentation on the Code Samples page for more info.

iframeSrc

Default: about:blank
Default value for HTTPS pages: javascript:false
String value that should be used for the iframe's src attribute when/if an iframe is used.

iframeTarget

Default: null
Identifies the iframe element to be used as the response target for file uploads. By default, the plugin will create a temporary iframe element to capture the response when uploading files. This options allows you to use an existing iframe if you wish. When using this option the plugin will make no attempt at handling the response from the server. (version added: 2.76)

method

Default: value of form's method attribute (or GET if none found)
The HTTP method to use for the request (e.g. 'POST', 'GET', 'PUT'). (version added: 4.2.0)

replaceTarget

Default: false
Optionally used along with the the target option. Set to true if the target should be replaced or false if only the target contents should be replaced. (version added: 2.43)

resetForm

Default: null
Boolean flag indicating whether the form should be reset if the submit is successful

semantic

Default: false
Boolean flag indicating whether data must be submitted in strict semantic order (slower). Note that the normal form serialization is done in semantic order with the exception of input elements of type="image".
Note: You should only set the semantic option to true if your server has strict semantic requirements and your form contains an input element of type="image".

success

Deprecated due to incompatiblity with jQuery 3 Slim. (issue #544)
Default: null
Callback function to be invoked after the form has been submitted. If a 'success' callback function is provided it is invoked after the response has been returned from the server. It is passed the following standard jQuery arguments:

  1. data, formatted according to the dataType parameter or the dataFilter callback function, if specified
  2. textStatus, string
  3. jqXHR, object
  4. $form jQuery object containing form element

target

Default: null
Identifies the element(s) in the page to be updated with the server response. This value may be specified as a jQuery selection string, a jQuery object, or a DOM element.

type

Default: value of form's method attribute (or 'GET' if none found)
The HTTP method to use for the request (e.g. 'POST', 'GET', 'PUT').
An alias for method option. Overridden by the method value if both are present.

uploadProgress

Default: null
Callback function to be invoked with upload progress information (if supported by the browser). The callback is passed the following arguments:

  1. event; the browser event
  2. position (integer)
  3. total (integer)
  4. percentComplete (integer)

url

Default: value of form's action attribute
URL to which the form data will be submitted.

Example

// prepare Options Object
var options = {
  target:  '#divToUpdate',
  url:     'comment.php',
  success: function() {
    alert('Thanks for your comment!');
  }
};

// pass options to ajaxForm
$('#myForm').ajaxForm(options);