JSFiddle - React, Tailwind, and code Playground
HTML
<select id="test" onchange="dosomething()" >
<option>One</option>
<option>Two</option>
<option>Three</option>
</select>
<span id="output" ></span>
JavaScript
function dosomething(){
$("#output").html("tester" + new Date());
console.log("test");
}