Tryit Editor v2.9

Edit This Code:
<!DOCTYPE html>
<html>
<body>

Select a fruit and click the button:
<select id="mySelect">
  <option>Apple</option>
  <option>Orange</option>
  <option>Pineapple</option>
  <option>Banana</option>
</select>

<button type="button" onclick="myFunction()">Display index</button>

<script>
function myFunction() {
    var x = document.getElementById("mySelect").selectedIndex;
    var y = document.getElementById("mySelect").options;
    alert("Index: " + y[x].index + " is " + y[x].text);
}
</script>

</body>
</html>