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how to make the background change color when scroling html, css, js documentation

Mark Kithinji answered on July 30, 2022 Popularity 3/10 Helpfulness 1/10

answer how to make the background change color when scroling html, css, js documentation

how to make the background change color when scroling html, css, js documentation

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<!doctype html>
<html>

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>KindaCode.com</title>

    <style>
        * {
            box-sizing: border-box
        }

        body {
            height: 1000vh;
            transition: background 1s ease;
        }

        .content {
            padding: 50px;
            color: white;
            text-align: center;
        }
    </style>
</head>

<body>
    <div class="content">
        <h1>Welcome to KindaCode.com</h1>
    </div>

    <script>
        var body = document.getElementsByTagName('body')[0];
        body.style.backgroundColor = 'green';

        // trigger this function every time the user scrolls
        window.onscroll = function (event) {
            var scroll = window.pageYOffset;
            if (scroll < 300) {
                // green
                body.style.backgroundColor = 'green';
            } else if (scroll >= 300 && scroll < 600) {
                // yellow
                body.style.backgroundColor = 'yellow';
            } else if (scroll >= 600 && scroll < 1200) {
                // blue
                body.style.backgroundColor = 'blue';
            } else if (scroll >= 1200 && scroll < 1800) {
                // orange
                body.style.backgroundColor = 'orange';
            } else if (scroll >= 1800 && scroll < 3000) {
                // red
                body.style.backgroundColor = 'red';
            } else {
                // purple
                body.style.backgroundColor = 'purple';
            }
        }
    </script>
</body>

</html>

Popularity 3/10 Helpfulness 1/10 Language javascript

Source: www.kindacode.com

Tags: background documentation javascript when

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Contributed on Jul 30 2022

Mark Kithinji

0 Answers Avg Quality 2/10

how to make the background change color when scroling html, css, js documentation

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