<!DOCTYPE html>
<html>
<body>
<form>
<select id="mySelect" size="8">
<option>Apple</option>
<option>Pear</option>
<option>Banana</option>
<option>Orange</option>
</select>
</form>
<br>
<p>Click the button to add a "Kiwi" option at the index position "2" of the dropdown list (before "Banana").</p>
<button type="button" onclick="myFunction()">Insert option</button>
<script>
function myFunction() {
var x = document.getElementById("mySelect");
var option = document.createElement("option");
option.text = "Kiwi";
x.add(option, x[2]);
}
</script>
</body>
</html>