JSFiddle - React, Tailwind, and code Playground

HTML

<input type="button" id="button" value="Click me!" />

<div id="counter">0</div>

JavaScript

$(document).ready(function() {
    var counter = (function() {
        var count = 0;
        return function() {
            count++;
            return count;
        };
    })();

    $('#button').click(function() {
        $('#counter').text(counter());
    });

});