JSFiddle - React, Tailwind, and code Playground

HTML

<select><option>a</option></select>
<select><option>b</option></select>
<select><option>c</option></select>
<select><option>d</option></select>
<select><option>e</option></select>
<select><option>f</option></select>
<select><option>g</option></select>
<select><option>h</option></select>
<select><option>i</option></select>
<select><option>j</option></select>

JavaScript

console.log($('select>option:selected').length == $('select').length);