<!DOCTYPE html>
<html>
<body>
<ol id="myList">
<li>Coffee</li>
<li>Tea</li>
<li>Water</li>
<li>Soda</li>
</ol>
<br>
<select onchange="myFunction(this);" size="22">
<option>armenian</option>
<option>circle</option>
<option>cjk-ideographic</option>
<option>decimal</option>
<option>decimal-leading-zero</option>
<option>disc</option>
<option>georgian</option>
<option>hebrew</option>
<option>hiragana</option>
<option>hiragana-iroha</option>
<option>inherit</option>
<option>katakana</option>
<option>katakana-iroha</option>
<option>lower-alpha</option>
<option>lower-greek</option>
<option>lower-latin</option>
<option>lower-roman</option>
<option>none</option>
<option>square</option>
<option>upper-alpha</option>
<option>upper-latin</option>
<option>upper-roman</option>
</select>
<script>
function myFunction(selectTag) {
var listValue = selectTag.options[selectTag.selectedIndex].text;
document.getElementById("myList").style.listStyleType = listValue;
}
</script>
</body>
</html>