jQuery deferred.progress() Method

Last Updated : 24 Jul, 2024

This deferred.progress() method in jQuery is used to add handlers which are to be called when the Deferred object generates progress notifications.

Syntax:

deferred.progress(progressCallbacks[, progressCallbacks])

Parameters:

progressCallbacks: This parameters is a function, or array of functions, which are to be called when the Deferred generates progress notifications.
progressCallbacks: It is an optional parameters and is a function, or array of functions, which are to be called when the Deferred generates progress notifications.

Return Value: This method returns the deferred object.

Example 1: In this example, The progress() method is called with the reject() method.

html

<!DOCTYPE HTML>
<html>

<head>
    <script src=
        "https://code.jquery.com/jquery-3.5.0.js">
    </script>
</head>

<body style="text-align:center;">

    <h1 style="color:green;">
        GeeksForGeeks
    </h1>

    <p>
        jQuery | deferred.progress() method
    </p>

    <button onclick="Geeks();">
        Click Here
    </button>

    <p id="GFG"></p>

    <script>
        function Func(val, div) {
            $(div).append(val);
        }
        function Geeks() {
            var def = $.Deferred();
            def.fail(Func);
            def.progress(Func);
            def.reject('"Func" is added as '
                + 'progressCallbacks using '
                + 'progress() method when '
                + 'Deferred object is rejected',
                '#GFG')
        } 
    </script>
</body>

</html>

Output:

Example 2: In this example, the progress() method is called with the resolve() method.

html

<!DOCTYPE HTML>
<html>

<head>
    <script src=
        "https://code.jquery.com/jquery-3.5.0.js">
    </script>
</head>

<body style="text-align:center;">
    <h1 style="color:green;">
        GeeksForGeeks
    </h1>

    <p>
        jQuery | deferred.progress() method
    </p>

    <button onclick="Geeks();">
        Click Here
    </button>

    <p id="GFG"></p>

    <script>
        function Func(val, div) {
            $(div).append(val);
        }
        function Geeks() {
            var def = $.Deferred();
            def.done(Func);
            def.progress(Func);
            def.resolve('"Func" is added as '
                + 'progressCallbacks using '
                + 'progress() method when '
                + 'Deferred object is resolved',
                '#GFG')
        } 
    </script>
</body>

</html>

Output:

JQuery .Deferred() method

PranchalKatiyar

Improve

Article Tags :

jQuery deferred.progress() Method

Similar Reads

Thank You!

What kind of Experience do you want to share?