240470-1.html - mozsearch

Enable keyboard shortcuts

<!DOCTYPE html>

<body>

<html>

<select id="test" size="8">

</select>

<script>

  var optgroup = document.createElement("optgroup");

  optgroup.setAttribute('label', 'An optgroup');

  var option = document.createElement("option");

  var optionText = document.createTextNode("An option");

  option.appendChild(optionText);

  var select = document.getElementById("test");

  select.appendChild(optgroup);

  optgroup.appendChild(option);

</script>

</body>

</html>