Run results for: closest() vs parent().parent() + hasClass()

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.212 Safari/537.36

Browser: Chrome 90

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
closest	3072194.0 Ops/sec
parents + hasClass	1110156.5 Ops/sec

HTML Preparation code:

<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<div class="tuttifrutti" >
 	<div class="gasodas">
  		<div class="banga">
   			<div class="dayum">
    			<div class="dada">
      				<div id="phew" class="potat">boop</div>
    			</div>
   			</div>
  		</div>
 	</div>
</div>

Script Preparation code:

var yes = $('phew');

Tests:

closest
yes.closest('.my-fancy-class');
parents + hasClass
yes.parent().parent().hasClass('my-fancy-class');

Run results for: closest() vs parent().parent() + hasClass()

Checking if double parent() + hasClass() validation is really faster than just going for closest().

closest

parents + hasClass