OneCompiler

toggle

114

Example heading with h2 size

Example heading with h3 size

Following is sample java code.

<!DOCTYPE html>
<html>
<head>
    <title>Color Toggle App</title>
    <style>
        #colorWheel {
            display: flex;
        }

        .colorBox {
            width: 100px;
            height: 100px;
            margin: 10px;
            transition: background-color 0.5s;
        }

        #box1 { background-color: red; }
        #box2 { background-color: green; }
        #box3 { background-color: blue; }
        #box4 { background-color: yellow; }
    </style>
</head>
<body>
    <div id="colorWheel">
        <div class="colorBox" id="box1"></div>
        <div class="colorBox" id="box2"></div>
        <div class="colorBox" id="box3"></div>
        <div class="colorBox" id="box4"></div>
    </div>
    <button id="toggleButton">Toggle Colors</button>

    <script>
        window.onload = function() {
            var boxes = document.getElementsByClassName('colorBox');
            // Initialize the background color for each box
            boxes[0].style.backgroundColor = 'red';
            boxes[1].style.backgroundColor = 'green';
            boxes[2].style.backgroundColor = 'blue';
            boxes[3].style.backgroundColor = 'yellow';

            document.getElementById('toggleButton').addEventListener('click', function() {
                var firstColor = boxes[0].style.backgroundColor;

                for (var i = 0; i < boxes.length - 1; i++) {
                    boxes[i].style.backgroundColor = boxes[i + 1].style.backgroundColor;
                }

                boxes[boxes.length - 1].style.backgroundColor = firstColor;
            });
        };
    </script>
</body>
</html>