<!DOCTYPE html>
<style>
  
</style>

<script type="text/javascript">
  onload = function() {
      var selectList = document.getElementById("list");
      selectList.scrollTop = 84;
  }
</script>

<body style="font: 16px/16px monospace;">
  <p>Scrolling inside the list using the mouse wheel should work as expected<br/>
  <select id="list" size="2">
      <option>content1</option>
      <option>content2</option>
      <option>content3</option>
      <option>content4</option>
      <option>content5</option>
      <option>content6</option>
      <option>content7</option>
      <option>content8</option>
      <option>content9</option>
      <option>content10</option>
  </select>
</body>