JSFiddle - React, Tailwind, and code Playground
by Brian Chang
HTML
<select>
<option value=""></option>
<option value="0">0</option>
<option value="1">1</option>
<option value="2">2</option>
<option value="3">3</option>
<option value="4">4</option>
<option value="5">5</option>
<option value="6">6</option>
<option value="7">7</option>
<option value="8">8</option>
<option value="9">9</option>
<option value="-">-</option>
<option value="±">±</option>
</select>
JavaScript
alert($('select').val());