danielcater.github.io/timer.html at main · DanielCater/danielcater.github.io · GitHub

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<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Timer</title>

</head>

<body>
    <button id="start">Start Timer</button>
    <button id="stop">Stop Timer</button>
    <p id="outputPlace">0</p>

    <script>
        let timerId;
        let count = 0;

        document.getElementById("start").addEventListener("click", () => {
            timerId = setInterval(() => {
                count++;
                document.getElementById("outputPlace").textContent = count;
            }, 1000);
        });

        document.getElementById("stop").addEventListener("click", () => {
            clearInterval(timerId);
        });
    </script>
</body>


</html>