JSFiddle - React, Tailwind, and code Playground

by Göran Andersson

HTML

<div id="comment">comment</div>
<div id="name">name</div>
<div id="url">url</div>
<div id="comment2">comment</div>
<div id="name2">name</div>
<div id="url2">url</div>

JavaScript

var color = '#ccc';

var ids = ["comment", "name", "url"];
for (i in ids) {
  document.getElementById(ids[i]).style.background = color;
}

color = '#fc0';

var el = document.querySelectorAll("#comment2, #name2, #url2");
for (i in el) {
  el[i].style.background = color;
}