jQuery Callback

Post by **C0D3D** »

jQuery effect method without a callback function

Example 1

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Example of jQuery Effect Method without Callback Function</title>
<script src="https://code.jquery.com/jquery-3.5.1.min.js"></script>
<style>
    p{
        background:yellow;
        font-size: 24px;
        padding:20px;
    }
</style>
<script>
$(document).ready(function(){
    $("button").click(function(){
        $("p").slideToggle("slow");
        alert("The slide toggle effect has completed.");
    });   
});
</script>
</head>
<body>
    <p>This is paragraph.</p>
    <button type="button">Click me</button>
</body>
</html>

jQuery effect method with a callback function

Example 2

Code: Select all

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Example of jQuery Effect Method with Callback Function</title>
<script src="https://code.jquery.com/jquery-3.5.1.min.js"></script>
<style>
    p{
        background:yellow;
        font-size: 24px;
        padding:20px;
    }
</style>
<script>
$(document).ready(function(){
    $("button").click(function(){
        $("p").slideToggle("slow", function(){
            alert("The slide toggle effect has completed.");
        });
    });   
});
</script>
</head>
<body>
    <p>This is paragraph.</p>
    <button type="button">Click me</button>
</body>
</html>

Executing callback multiple times in jQuery

Example 3

Code: Select all

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Example of jQuery Callback Executed Multiple Times</title>
<script src="https://code.jquery.com/jquery-3.5.1.min.js"></script>
<style>
    h1{
        display:none;
        background:red;
        padding:20px;
    }
    p{
        background:yellow;
        font-size: 24px;
        padding:20px;
    }
</style>
<script>
$(document).ready(function(){
    $("button").click(function(){
        $("h1, p").slideToggle("slow", function(){
            alert("The slide toggle effect has completed.");
        });
    });   
});
</script>
</head>
<body>
    <h1>This is heading</h1>
    <p>This is paragraph.</p>
    <button type="button">Click me</button>
</body>
</html>

jQuery Callback

jQuery Callback

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