JSFiddle - React, Tailwind, and code Playground

HTML

<form name= "gadget_selector">
    <select id = "gadget" >
        <option value = 0> Something </option>
        <option value = 1> Something else </option>
    </select> 
</form>

JavaScript

$("#gadget").change(function(){
var obj = document.getElementById("gadget");
alert(obj.options[obj.selectedIndex].value);
});