examples/nested-native-scroll.html

<!DOCTYPE html>
<html>
  <head>
    <link href="../css/perfect-scrollbar.css" rel="stylesheet">
    <script src="../dist/perfect-scrollbar.js"></script>
    <style>
    #container {
      position: relative;
      margin: 0px auto;
      padding: 0px;
      width: 600px;
      height: 400px;
      overflow: auto;
    }
    #container .content {
      background-image: url('./assets/azusa.jpg');
      width: 1280px;
      height: 720px;
    }
    .my-list, textarea {
      position: absolute;
      top: 0;
      left: 0;
      width: 130px;
      height: 200px;
      overflow: scroll;
      background-color: white;
    }
    ul {
        margin: 0;
        padding: 0;
    }
    li {
      box-sizing: border-box;
      padding: 10px 5px;
      border-width: 0 0 1px 0;
      list-style-type: none;
      margin: 0;
    }
    li:nth-child(even) {
      background-color: rgba(0,0,0,0.5);
    }
    </style>
  </head>
  <body>
    <div id="container">
      <div class="content">
        <textarea cols="20" rows="50" style="font-size: 120%">
          Children inside perfect scrollbar can be natively scrolled by the
          mousewheel. It automatically works for textarea elements, other
          elements need the .ps-child class.
        </textarea>
        <div class="my-list" style="left: 140px">
          <code>overflow: scroll</code>
          <ul><li>One</li><li>Two</li><li>Three</li><li>Four</li><li>Five</li><li>Six</li><li>Seven</li><li>Eight</li></ul>
        </div>
        <div class="my-list" style="left: 280px; overflow: auto">
          <code>overflow: auto</code>
          <ul><li>One</li><li>Two</li><li>Three</li><li>Four</li><li>Five</li><li>Six</li><li>Seven</li><li>Eight</li></ul>
        </div>
      </div>
    </div>

    <script type="text/javascript">
    new PerfectScrollbar('#container');
    </script>
  </body>
</html>