JSFiddle - React, Tailwind, and code Playground
HTML
<select>
<option>optn1</option>
<option>optn2</option>
<option>optn3</option>
</select>
JavaScript
$("select").change(function(){
console.log($(this).val());
});
<select>
<option>optn1</option>
<option>optn2</option>
<option>optn3</option>
</select>
$("select").change(function(){
console.log($(this).val());
});