js鼠标左右拖动图片

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Drag Image</title>
    <style>
        #image {
            width: 300px;
            height: 200px;
            position: absolute;
            cursor: grab;
        }
    </style>
</head>
<body>
    <img id="image" src="path/to/your/image.jpg" alt="Drag me">

    <script>
        const image = document.getElementById('image');
        let isDragging = false;
        let startX, currentX;

        image.addEventListener('mousedown', (e) => {
            isDragging = true;
            startX = e.clientX - image.offsetLeft;
        });

        document.addEventListener('mousemove', (e) => {
            if (!isDragging) return;
            currentX = e.clientX - startX;
            image.style.left = `${currentX}px`;
        });

        document.addEventListener('mouseup', () => {
            isDragging = false;
        });

        // For touch devices
        image.addEventListener('touchstart', (e) => {
            isDragging = true;
            startX = e.touches[0].clientX - image.offsetLeft;
        });

        document.addEventListener('touchmove', (e) => {
            if (!isDragging) return;
            currentX = e.touches[0].clientX - startX;
            image.style.left = `${currentX}px`;
        });

        document.addEventListener('touchend', () => {
            isDragging = false;
        });
    </script>
</body>
</html>

let rafId;

document.addEventListener('mousemove', (e) => {
    if (!isDragging) return;
    cancelAnimationFrame(rafId);
    rafId = requestAnimationFrame(() => {
        currentX = e.clientX - startX;
        image.style.left = `${currentX}px`;
    });
});