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jQuery ajaxSetup() Method

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The ajaxSetup() method in jQuery is used to set the default values for future AJAX requests.

Syntax:

$.ajaxSetup( {name:value, name:value, ... } )

Parameters:

  • type: It is used to specify the type of request.
  • url: It is used to specify the URL to send the request to.
  • username: It is used to specify a username to be used in an HTTP access authentication request.
  • xhr: It is used for creating the XMLHttpRequest object.
  • async: It’s default value is true. It indicates whether the request should be handled asynchronously or not.
  • beforeSend(xhr): It is a function that is to be run before the request is sent.
  • dataType: The data type expected of the server response.
  • error(xhr, status, error): It is used to run if the request fails.
  • global: It’s default value is true. It is used to specify whether or not to trigger global AJAX event handles for the request.
  • ifModified: It’s default value is false. It is used to specify whether a request is only successful if the response has changed since the last request.
  • jsonp: A string overriding the callback function in a jsonp request.
  • jsonpCallback: It is used to specify a name for the callback function in a jsonp request.
  • cache: It’s default value is true. It indicates whether the browser should cache the requested pages.
  • complete(xhr, status): It is a function that is to be run when the request is finished.
  • contentType: It’s default value is: “application/x-www-form-urlencoded” and it is used when data send to the server.
  • context: It is used to specify the “this” value for all AJAX-related callback functions.
  • data: It is used to specify data to be sent to the server.
  • dataFilter(data, type): It is used to handle the raw response data of the XMLHttpRequest.
  • password: It is used to specify a password to be used in an HTTP access authentication request.
  • processData: It’s default value is true. It is used to specify whether or not data sent with the request should be transformed into a query string.
  • scriptCharset: It is used to specify the charset for the request.
  • success(result, status, xhr): It is to be run when the request succeeds.
  • timeout: It is the local timeout for the request. It is measured in terms of milliseconds.
  • traditional: It is used to specify whether or not to use the traditional style of param serialization.

Example 1:This example uses ajaxSetup() method to call data from other files.

geeks1_data.txt: This text file is called within an HTML file.

Welcome to GeeksforGeeks

gfg.html

html




<!DOCTYPE html>
<html>
 
<head>
    <title>jQuery ajaxSetup() Method</title>
 
    <script src=
    </script>
 
    <script>
        $(document).ready(function () {
            $("li:parent").css("background-color", "green");
        });
    </script>
</head>
 
<body style="text-align:center;">
 
    <h1 id="geeks1" style="color:green">
        GeeksForGeeks
    </h1>
    <h2 id="geeks2">
        jQuery ajaxSetup() Method
    </h2>
    <h3></h3>
 
    <button>Click</button>
 
    <!-- Script to use ajaxSetup() method -->
    <script>
        $(document).ready(function () {
            $("button").click(function () {
                $.ajaxSetup({
                    url: "geeks1_data.txt",
                    success: function (result) {
                        $("h3").html(result);
                    }
                });
                $.ajax();
            });
        });
    </script>
</body>
 
</html>


Output:

jquery-78

Example 2: This example illustrates ajaxSetup() method.

html




<!DOCTYPE html>
<html>
 
<head>
    <title>jQuery ajaxSetup() Method</title>
 
    <script src=
    </script>
 
    <script>
        $(document).ready(function () {
            $("li:parent").css("background-color", "green");
        });
    </script>
</head>
 
<body style="text-align:center;">
 
    <h1 id="geeks1" style="color:green">
        GeeksForGeeks
    </h1>
    <h2 id="geeks2">
        jQuery ajaxSetup() Method
    </h2>
 
    <button>Click</button>
 
    <!-- Script to use jQuery ajaxSetup() Method -->
    <script>
        $(document).ready(function () {
            $("button").click(function () {
                $.ajaxSetup({
                    url: "geek2_dat.txt", error: function (xhr) {
                        alert("Error: " + xhr.status + " " + xhr.statusText);
                    }
                });
                $.ajax();
            });
        });
    </script>
</body>
 
</html>


Output:

jquery-79other files



Last Updated : 12 Jul, 2023
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