Run results for: Node closest vs node contains

Run details:

User agent: Mozilla/5.0 (Linux; Android 9; Redmi Note 8) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.82 Mobile Safari/537.36

Browser: Chrome Mobile 93

Operating system: Android

Device Platform: Mobile

Date tested: 3 years ago

Test name	Executions per second
Contains	1143888.1 Ops/sec
Closest	1630158.2 Ops/sec

HTML Preparation code:

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

Script Preparation code:

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

Tests: