jquery 数值递减

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>jQuery 数值递减示例</title>
    <script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
</head>
<body>
    <div id="counter">100</div>
    <button id="decrementBtn">开始递减</button>

    <script>
        $(document).ready(function() {
            let count = 100;
            let intervalId;

            $('#decrementBtn').click(function() {
                intervalId = setInterval(function() {
                    count--;
                    $('#counter').text(count);
                    if (count <= 0) {
                        clearInterval(intervalId);
                    }
                }, 100); // 每100毫秒递减一次
            });
        });
    </script>
</body>
</html>