Code: Select all
<select name="sel1">
option value="a1">a</option>
option value="b2">b</option>
option value="c3">c</option>
option value="d4">d</option>
option value="e5">e</option>
</select>
<script>
var SelValue="d4";
var SelIndex=(........) // Should return 3
</script>