JSFiddle - React, Tailwind, and code Playground

by fainz777

HTML

<select name="" id="s">
    <option value="q">11111111111111111</option>
    <option value="z">22222222222222222</option>
</select>

JavaScript

window.onload = function() {
    var a, s = document.getElementById('s');

    a = s.value;
    alert(a);

    s.onchange = function() {
        a = this.value;
        alert(a);
    }
}