x-scrollbar
/
test.html

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

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>x-scrollbar</title>
  <link rel="stylesheet" href="./xscrollbar.css">
  <script src="./xscrollbar.js"></script>
</head>

<body>
  <div id="c1" style="width: 300px; height: 300px; overflow: auto; background-color: #eee;">
    <div style="width: 600px; height: 600px; border:1px solid #000;"></div>
  </div>

  <hr>

  <div id="c2" style="width: 300px; overflow: auto; background-color: #eee;">
    <div style="width: 600px; height: 150px; border:1px solid #000;"></div>
  </div>

  <script>
    let xscrollbar1 = new XScrollbar(document.querySelector('#c1'), {
      // 滑块大小
      thumbSize: '3px',
      // 轨道颜色
      trackBackground: '#b1ffa5',
      // 滑块颜色
      thumbBackground: '#0e913f',
      // 滑块圆角大小
      thumbRadius: '0',
    });

    let xscrollbar2 = new XScrollbar(document.querySelector('#c2'), { autoHide: false, onlyHorizontal: true });
  </script>
</body>

</html>