Tryit Editor v2.9

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

<form>
<select id="mySelect">
  <option>Apple</option>
  <option>Pear</option>
  <option>Banana</option>
  <option>Orange</option>
</select>
</form>

<p>There are <span id="demo">0</span> options in the list.</p>

<script>
document.getElementById("demo").innerHTML =
document.getElementById("mySelect").length;
</script>

</body>
</html>