addDiv

by willystyle

HTML

<div id="target"></div>

CSS

.newly-added {
  height: 50px;
  width: 50px;
  background-color: red;  
  margin: 5px;
}

JavaScript

let target = document.getElementById('target');

function addDiv() {
    console.log(1);
    let div = document.createElement('div');
    div.classList.add('newly-added');
    target.appendChild(div);
}

setInterval(addDiv, 5000);