JSFiddle - React, Tailwind, and code Playground

HTML

<div></div>

CSS

body, html{height:100%;}
div{position:absolute; width:100%; height:100%; background:#000; display:block; font:15px Arial, Helvetica, sans-serif; color:#fff;}

JavaScript

setInterval(function () {
        $('div').css('display', 'none');
    }, 5000);

    var num = 2;
$('div').append('1<br/>')
    setInterval(function () {
        if (num <= 5) {
            $('div').append(num + '<br/>')
            num++;
        }
    }, 1000)