JSFiddle - React, Tailwind, and code Playground
HTML
<script src="http://code.jquery.com/jquery-2.1.4.min.js"></script>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js">
</script>
<select name="test123" id="test123" onchange="testOnchange()">
<option>Chocolate</option>
<option>Candy</option>
<option>Taffy</option>
<option>Caramel</option>
<option>Fudge</option>
<option>Cookie</option>
</select>
<script>
$( "#test123" ).change(function () {
console.log("change");
});
function testOnchange(){
console.log("onchange")
}
$("#test123").val("Candy")
</script>