JSFiddle - React, Tailwind, and code Playground

HTML

<div></div>

CSS

body {
    font-size: 0;
}
div{
    border: 1px solid black;
    width: 100px;
    height: 100px;
    display: inline-block;
}

JavaScript

for (var i = 0; i < 20; i++){
    $("body").append($("div:first").clone());
}