Run results for: jQuery by id vs Document.getElementById +1

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36

Browser: Chrome 67

Operating system: Mac OS X 10.13.3

Device Platform: Desktop

Date tested: 6 years ago

Test name	Executions per second
jQuery	1168111.6 Ops/sec
Vanilla JS	2947566.2 Ops/sec

HTML Preparation code:

<div id="testElement"></div>
<script src='https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js'></script>

AخA
 
<div id="testElement"></div>
<script src='https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js'></script>

Tests:

jQuery
var el = $("#testElement")[0]; var className = el.className;
var el = $("#testElement")[0];
var className = el.className;
Vanilla JS
var el = document.getElementById('testElement'); var className = el.className;
var el = document.getElementById('testElement');
var className = el.className;