x
<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>