jQuery slideUp() compare slideUp speed

Description

jQuery slideUp() compare slideUp speed
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Example of jQuery Slide-Up and Slide-Down Effects with Different Speeds</title>
<script src="https://code.jquery.com/jquery-1.12.4.min.js"></script>
<style>
    p{/*from w w w  . j ava 2 s .  c  o m*/
        padding: 15px;
        background: #B0C4DE;
    }
</style>
<script>
$(document).ready(function(){
    // Sliding up displayed paragraphs with different speeds
    $(".up-btn").click(function(){
        $("p.normal").slideUp();
        $("p.fast").slideUp("fast");
        $("p.slow").slideUp("slow");
        $("p.very-fast").slideUp(50);
        $("p.very-slow").slideUp(2000);
    });

    // Sliding down hidden paragraphs with different speeds
    $(".down-btn").click(function(){
        $("p.normal").slideDown();
        $("p.fast").slideDown("fast");
        $("p.slow").slideDown("slow");
        $("p.very-fast").slideDown(50);
        $("p.very-slow").slideDown(2000);
    });
});
</script>
</head>
<body>
    <button type="button" class="up-btn">Slide Up Paragraphs</button>
    <button type="button" class="down-btn">Slide Down Paragraphs</button>
    <p class="very-fast">This paragraph will fade in/out with very fast speed.</p>
    <p class="normal">This paragraph will fade in/out with default speed.</p>
    <p class="fast">This paragraph will fade in/out with fast speed.</p>
    <p class="slow">This paragraph will fade in/out with slow speed.</p>
    <p class="very-slow">This paragraph will fade in/out with very slow speed.</p>
</body>
</html>
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