Benchmark: Node parent walking vs node contains

HTML Preparation code:

<div class="parent">
  <div>
    <div>
    <div>
    <div>
<div>
    <div>
    <div>
    <div>
    <div>
    <div class="child">
	</div>
	</div>
	</div>
	</div>
	</div>
	</div>
	</div>
	</div>
	</div>
</div>

Script Preparation code:

var parent = document.querySelector(".parent");
var child = document.querySelector(".child");

Tests:

Contains
var x = parent.contains(child)
Closest
var x = child.closest('.parent')
parent walking
let p = child; while (p != null){ if(p == parent ) {break;} p = p.parentNode;}

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Contains
Closest
parent walking

Fastest: N/A

Slowest: N/A

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Latest run results:

Run details: (Test run date: 29 days ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36

Browser/OS: Chrome 123 on Windows

View result in a separate tab

Test name	Executions per second
Contains	8247888.0 Ops/sec
Closest	4168623.0 Ops/sec
parent walking	1681727.0 Ops/sec

Node parent walking vs node contains (version: 0)

Comparing performance of: Contains vs Closest vs parent walking

Created: 29 days ago by: Guest

Jump to the latest result

Contains

Closest

parent walking

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A