Run results for: vanilla vs jquery tests

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.77 Safari/537.36

Browser: Chrome 70

Operating system: Mac OS X 10.13.6

Device Platform: Desktop

Date tested: 5 years ago

HTML Preparation code:

<div class="test-wrapper">
<div class="test"></div>
</div>
<script src='https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js'></script>

Tests:

add class - vanilla
document.querySelector(".test").classList.add("test-class");
add class - jquery
$(document).find(".test").addClass("test");
get element by class - vanilla
document.querySelector(".test");
get element by class - jquery
$(document).find(".test");