mirror@5.56.0/lib/codemirror.js"></script>
    <script src="//unpkg.com/codemirror@5.56.0/mode/javascript/javascript.js"></script>
    <style>
      html,
      body {
        margin: 0;
        padding: 0;
      }

      body {
        height: 100%;
        width: 100%;
      }

      pre {
        margin: 0;
        padding: 10px;
      }

      .scroll {
        scrollbar-width: none;
        overflow: scroll;
        height: 100%;
        width: 100%;
      }
      .scroll::-webkit-scrollbar {
        d