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jQuery | ajaxError() Method

  • Last Updated : 01 Mar, 2019

The ajaxError() method in jQuery is used to specify function to be run when an AJAX request fails.

Syntax:

$(document).ajaxError( function(event, xhr, options, exc) )

Parameter:: This method accepts single parameter function which is mandatory. This function accepts four parameters which are listed below:

  • event: This parameter holds the event object.
  • xhr: It holds the XMLHttpRequest object.
  • options: It contains the used options in AJAX request.
  • exc: It holds the JavaScript exception.

The demo.txt file stored on server and it will load after clicking the change content button.
demo.txt

This is GFG.

Example 1: This example changes the content of <p> element, by taking the data from server. When the AJAX request fails due to an error, the page says AJAX request fails..






<!DOCTYPE html> 
<html
    <head
        <script src
        </script
          
        <!-- Script to use ajaxError() method -->
        <script
            $(document).ready(function() {
                $(document).ajaxError(function() {
                    alert("AJAX request fails.");
                });
              
                $("button").click(function() {
                    $("#paragraph").load("demo.txt");
                });
            });
        </script
    </head
      
    <body style="text-align:center;"
      
        <div id="div_content"
          
            <h1 style = "color: green;">
                GeeksforGeeks
            </h1
              
            <p id = "paragraph" style= "font-size: 20px;">
                A computer science portal for geeks
            </p
        </div
          
        <button>
            Change Content
        </button
    </body
</html>                    

Output:

  • Before click on the button:
  • After click on the button:

Example 2: This example changes the content of <h1> element, by taking the data from server. When the AJAX request fails due to an error, the page says AJAX request fails..




<!DOCTYPE html> 
<html
    <head
        <script src=
        </script
          
        <!-- Script to use ajaxError() method -->
        <script
            $(document).ready(function() {
                $(document).ajaxError(function() {
                    alert("AJAX request fails.");
                });
              
                $("button").click(function() {
                    $("#heading").load("demo.txt");
                });
            });
        </script
    </head
      
    <body style="text-align:center;"
      
        <div id="div_content"
          
            <h1 id = "heading" style = "color: green;">
                GeeksforGeeks
            </h1
              
            <p style= "font-size: 20px;">
                A computer science portal for geeks
            </p
        </div
          
        <button>
            Change Content
        </button
    </body
</html>                    

Output:

  • Before click on the button:
  • After click on the button:



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