x
<html><body><form> <select id="mySelect" size="4"> <option>Apple</option> <option>Orange</option> <option>Pineapple</option> <option>Banana</option> </select></form><p>Click the button to display the number of options in the drop-down list.</p><button onclick="myFunction()">Try it</button><p id="demo"></p><script>function myFunction() { var x = document.getElementById("mySelect").options.length; document.getElementById("demo").innerHTML = "Found " + x + " options in the list.";}</script></body></html>