JSFiddle - React, Tailwind, and code Playground

HTML

<div id="wrapper">
</div>

CSS

.blu{
  border: 1px solid red;
  padding: 5px;
  margin: 5px;
}

JavaScript

const wrapper = document.getElementById("wrapper");

for(let i=0; i<500;i++)
{
	let el = document.createElement("div");
  el.classList.add("blu");
  el.innerHTML = "Div " + i;
  el.setAttribute("id", i);
  wrapper.appendChild(el);
}