JSFiddle - React, Tailwind, and code Playground

HTML

<div class="test">one</div>
<div class="test">two</div>

JavaScript

var i1 = $('.test');
var i2 = $('.test');

alert( i1[0] == i2[0] );
alert( i1[0] === i2[0] );
alert( i1.is(".test") );