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jQuery ajaxSend() Method

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The ajaxSend() method in jQuery is used to specify the function to be run when an AJAX request is about to send.

Syntax:

$(document).ajaxSend( function(event, xhr, options) )

Parameters:

This method accepts a single parameter function which is mandatory. The function accepts three parameters as mentioned above and described below:

  • event: It holds the event object.
  • xhr: It holds the XMLHttpRequest object.
  • options: It holds the used options in AJAX requests.

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 is ready to send, the page says AJAX request is about to send.

html

<!DOCTYPE html>
<html>
 
<head>
    <script src=
    </script>
 
    <!-- Script to use ajaxSend() method -->
    <script>
        $(document).ready(function () {
            $(document).ajaxSend(function () {
                alert("AJAX request is about to send");
            });
 
            $("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:

jquery-76

Example 2: This example changes the content of <h1> element, by taking the data from the server. When the AJAX request is ready to send, the page says AJAX request is about to send.

html

<!DOCTYPE html>
<html>
 
<head>
    <script src=
    </script>
 
    <!-- Script to use ajaxSend() method -->
    <script>
        $(document).ready(function () {
            $(document).ajaxSend(function () {
                alert("AJAX request is about to send");
            });
 
            $("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:

jquery-77



Last Updated : 12 Jul, 2023
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