ProdigyInfotechIntern/t2.html at main · dhawalcoder42/ProdigyInfotechIntern · GitHub

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<!DOCTYPE html>
<html>
<head>
    <style>
        body {
            font-family: Arial, sans-serif;
            text-align: center;
            background-color: #f2f2f2;
            animation: colorChange 10s linear infinite alternate;
        }

        @keyframes colorChange {
            0% {
                background-color: #3498db;
            }
            25% {
                background-color: #e74c3c;
            }
            50% {
                background-color: #f1c40f;
            }
            75% {
                background-color: #27ae60;
            }
            100% {
                background-color: #9b59b6;
            }
        }

        .stopwatch {
            margin: 100px auto;
            width: 300px;
            background-color: #fff;
            padding: 20px;
            border-radius: 10px;
            box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
            animation: moveIn 1s ease;
        }

        @keyframes moveIn {
            0% {
                transform: translateY(-200px);
                opacity: 0;
            }
            100% {
                transform: translateY(0);
                opacity: 1;
            }
        }

        h1 {
            font-size: 28px;
            color: #333;
            margin-bottom: 20px;
        }

        p {
            font-size: 24px;
            margin: 10px 0;
            color: #333;
        }

        .controls button {
            margin: 5px;
            padding: 8px 15px;
            font-size: 18px;
            border: none;
            background-color: #3498db;
            color: #fff;
            border-radius: 5px;
            cursor: pointer;
            transition: background-color 0.3s;
        }

        .controls button:hover {
            background-color: #2980b9;
        }

        .controls button:active {
            background-color: #1f6690;
        }

        .lap-button {
            background-color: #27ae60;
        }

        .lap-button:hover {
            background-color: #1e9843;
        }

        .lap-button:active {
            background-color: #167e39;
        }
    </style>
</head>
<body>
    <div class="stopwatch">
        <h1>Stopwatch</h1>
        <p id="display">00:00:00</p>
        <div class="controls">
            <button id="startStop" onclick="startStop()">Start</button>
            <button onclick="pause()">Pause</button>
            <button onclick="reset()">Reset</button>
            <button class="lap-button" onclick="lap()">Lap</button>
        </div>
        <ul id="laps"></ul>
    </div>
    <script>
        let colorIndex = 0;
        const colors = ['#3498db', '#e74c3c', '#f1c40f', '#27ae60', '#9b59b6'];

        function changeBackgroundColor() {
            document.body.style.backgroundColor = colors[colorIndex];
            colorIndex = (colorIndex + 1) % colors.length;
        }

        setInterval(changeBackgroundColor, 10000);
        let timer;
        let isRunning = false;
        let startTime;
        let currentTime;

        function startStop() {
            const startStopButton = document.getElementById('startStop');
            if (isRunning) {
                clearInterval(timer);
                isRunning = false;
                startStopButton.textContent = 'Start';
            } else {
                isRunning = true;
                startTime = Date.now() - (currentTime || 0);
                timer = setInterval(updateDisplay, 10);
                startStopButton.textContent = 'Stop';
            }
        }

        function updateDisplay() {
            currentTime = Date.now() - startTime;
            const formattedTime = formatTime(currentTime);
            document.getElementById('display').textContent = formattedTime;
        }

        function pause() {
            clearInterval(timer);
            isRunning = false;
            document.getElementById('startStop').textContent = 'Start';
        }

        function reset() {
            clearInterval(timer);
            isRunning = false;
            currentTime = 0;
            document.getElementById('display').textContent = '00:00:00';
            document.getElementById('laps').innerHTML = '';
            document.getElementById('startStop').textContent = 'Start';
        }

        function lap() {
            if (isRunning) {
                const formattedTime = formatTime(currentTime);
                const lapItem = document.createElement('li');
                lapItem.textContent = formattedTime;
                document.getElementById('laps').appendChild(lapItem);
            }
        }

        function formatTime(time) {
            const date = new Date(time);
            const minutes = date.getMinutes().toString().padStart(2, '0');
            const seconds = date.getSeconds().toString().padStart(2, '0');
            const milliseconds = date.getMilliseconds().toString().padStart(3, '0');
            return `${minutes}:${seconds}:${milliseconds}`;
        }


    </script>
</body>
</html>