JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8/themes/dot-luv/jquery-ui.css">
<div></div>

CSS

div {
    width: 100px;
    height: 300px;
    border: 1px solid black;
    text-align: center;
}

JavaScript

$(function() {
    var i = 0;
    var interval = setInterval(function() {
        $("div").append("<span>--- " + i++ + " ---<br /></span>");
        if(i == 15) clearInterval(interval);
    }, 100);
});