JSFiddle - React, Tailwind, and code Playground

HTML

<p></p>

<input type="button" value="inc" id="increment">

JavaScript

var count = 0,
    pad = '00000';
$('#increment').click(function(e) {
    e.preventDefault();
    count++;
    var ctxt = '' + count;
    $('p').text(pad.substr(0, pad.length - ctxt.length) + ctxt);
});