Run results for: #el selector vs div#el selector

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.88 Safari/537.36

Browser: Chrome 79

Operating system: Mac OS X 10.14.5

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
div#el selector	266930.4 Ops/sec
#el selector	1050737.4 Ops/sec

HTML Preparation code:

<script src="//code.jquery.com/jquery-3.4.0.slim.min.js"></script>
<div id="foo" class="foo2"></div>

Tests: