JSFiddle - React, Tailwind, and code Playground
HTML
<div id="test"></div>
<div id="test"></div>
<div id="test"></div>
JavaScript
$('#test').append(1);
$('div#test').append(2);
<div id="test"></div>
<div id="test"></div>
<div id="test"></div>
$('#test').append(1);
$('div#test').append(2);