JSFiddle - React, Tailwind, and code Playground

HTML

<select class="dropinput" name="Finish1" id="dropFinish1" tabindex="10" disabled="disabled">
    <option value=""></option>
</select>

JavaScript

$(function() {
    if($('.dropinput > option[value!=""]').length == 0) {
        alert("select is empty");
    }
});