JSFiddle - React, Tailwind, and code Playground

HTML

<div id="div1"></div>
<div id="div2" style="display:block;"></div>

CSS

div {
  padding:10px;
  margin:10px;
  background:#aaa;
}

#div1 {
  display:block;
}

JavaScript

document.getElementById("div1").innerHTML = document.getElementById("div1").style.display;
document.getElementById("div2").innerHTML = document.getElementById("div2").style.display;