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

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:142.0) Gecko/20100101 Firefox/142.0

Browser: Firefox 142

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

closest

9.2M/s

parents + hasClass

2.7M/s

View exact numbers

Test name	Executions per second
✓ closest	9,195,675 Ops/sec
parents + hasClass	2,711,164 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