Run results for: jQuery by id vs Document.getElementById

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.98 Safari/537.36

Browser: Chrome 57

Operating system: Windows

Device Platform: Other

Date tested: 7 years ago

Test name	Executions per second
jQuery	368820.1 Ops/sec
Vanilla JS	1224959.8 Ops/sec

HTML Preparation code:

<script type="text/javascript" src="http://ajax.aspnetcdn.com/ajax/jQuery/jquery-3.1.0.min.js"></script>
<div id="cadre_slider_decoration" class="twentytwenty-container">
								<img src="https://www.w3schools.com/css/trolltunga.jpg" id="image_slider_decoration_before" class="image_slider_decoration twentytwenty-before" style="clip: rect(0px 225.5px 301px 0px);">
								<img src="https://www.w3schools.com/css/trolltunga.jpg" id="image_slider_decoration_after" class="image_slider_decoration twentytwenty-after">
							<div class="twentytwenty-overlay"><div class="twentytwenty-before-label"></div><div class="twentytwenty-after-label"></div></div><div class="twentytwenty-handle" style="left: 225.5px;"><span class="twentytwenty-left-arrow"></span><span class="twentytwenty-right-arrow"></span></div></div>

Tests:

jQuery
var sliderW; sliderW = $("#image_slider_decoration_after").prop('naturalWidth')
Vanilla JS
var sliderW; sliderW = document.getElementById("image_slider_decoration_after").naturalWidth;

Run results for: jQuery by id vs Document.getElementById

Comparing speed of getting element by id with jQuery vs Vanilla JS

jQuery

Vanilla JS