How to Change Background Color using HTML, CSS and Javascript?

Nov 8, 2023

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Change BG Color</title>

    <style>
        .container {
            display: flex;
            justify-content: center;
            align-items: center;
            width: 100%;
            height: 100vh;
        }

        .btn {
            border: 0;
            outline: 0;
            border-radius: 4px;
            padding: 5px 15px;
            margin: 8px;
            background: #333;
            font-weight: bold;
        }

        .red {
            color: red;
        }
        .yellow {
            color: yellow;
        }
        .teal {
            color: teal;
        }
    </style>
</head>
<body>
    <div class="container">
        <button class="btn red" id="btn" onclick="redBtn()">Red</button>
        <button class="btn yellow" id="btn" onclick="yellowBtn()">Yellow</button>
        <button class="btn teal" id="btn" onclick="tealBtn()">Teal</button>
    </div>


    <script>
        function redBtn() {
            document.body.style.backgroundColor = 'red';
        }

        function yellowBtn() {
            document.body.style.backgroundColor = 'yellow';
        }

        function tealBtn() {
            document.body.style.backgroundColor = 'teal';
        }
    </script>
</body>
</html>

How to Change Background Color using HTML, CSS and Javascript?

Written by TechLoons