Easy Tutorial
❮ Jquery Ref Effects Eff Animate ❯

jQuery ajax() Method

jQuery AJAX Methods

Example

Change the text of a <div> element using an AJAX request:

$("button").click(function(){
    $.ajax({url:"demo_test.txt",success:function(result){
        $("#div1").html(result);
    }});
});

Definition and Usage

The ajax() method is used to perform an AJAX (asynchronous HTTP) request.

All jQuery AJAX methods use the ajax() method. This method is typically used for requests that cannot be handled by other methods.


Syntax

The parameter specifies one or more name/value pairs for the AJAX request.

The table below lists the possible name/value pairs:

Name Value/Description
async Boolean value indicating whether the request is handled asynchronously. Default is true.
beforeSend(xhr) Function to run before the request is sent.
cache Boolean value indicating whether the browser should cache the requested page. Default is true.
complete(xhr, status) Function to run when the request finishes (after success and error functions).
contentType The content type used when sending data to the server. Default is "application/x-www-form-urlencoded".
context Specifies the "this" value for all AJAX-related callback functions.
data The data to be sent to the server.
dataFilter(data, type) Function to handle the raw response data of the XMLHttpRequest.
dataType The type of data expected from the server.
error(xhr, status, error) Function to run if the request fails.
global Boolean value indicating whether to trigger global AJAX event handlers. Default is true.
ifModified Boolean value indicating whether the request should succeed only if the response has changed since the last request. Default is false.
jsonp A string overriding the callback function in a jsonp request.
jsonpCallback Specifies the name of the callback function for a jsonp request.
password Specifies the password used in an HTTP access authentication request.
processData Boolean value indicating whether the data sent with the request should be converted to a query string. Default is true.
scriptCharset Specifies the character set of the request.
success(result, status, xhr) Function to run when the request succeeds.
timeout Sets the local timeout for the request (in milliseconds).
traditional Boolean value indicating whether to use the traditional style of param serialization.
type Specifies the type of request (GET or POST).
url Specifies the URL to send the request to. Default is the current page.
username Specifies the username used in an HTTP access authentication request.
xhr Function used to create the XMLHttpRequest object.

More Examples

Generate an Asynchronous AJAX Request

Generate an AJAX Request with a Specified Data Type

Generate an AJAX Request with an Error


jQuery AJAX Methods

❮ Jquery Ref Effects Eff Animate ❯