JSFiddle - React, Tailwind, and code Playground

HTML

<div id="items"> content </div>
<div class="count"></div>
<div class="count"></div>
<div class="count"></div>

JavaScript

var items = document.getElementById( 'items' ),
    divs = document.getElementsByClassName( 'count' );

[].slice.call( divs ).forEach(function ( div ) {
    div.innerHTML = items.innerHTML;
});