Run results for: [compareDocumentPosition vs contains] performance 2

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/145.0.0.0 Safari/537.36 Edg/145.0.0.0

Browser: Chrome 145

Operating system: Windows

Device Platform: Desktop

Date tested: 2 months ago

Test name	Executions per second
compareDocumentPosition	95311.5 Ops/sec
contains	214653.3 Ops/sec

HTML Preparation code:

<html>
  <head>
  </head>
  <body>
    <div id="div">
    	<div id="a">
   		</div>
    </div>
    <div id="b">
    </div>
  </body>
</html>

Tests:

compareDocumentPosition
const { div, a, b } = window for (let i = 0; i < 100; i++) { const compare = div.compareDocumentPosition(a) compare & 16 const compare2 = div.compareDocumentPosition(b) compare2 & 16 }
contains
const { div, a, b } = window for (let i = 0; i < 100; i++) { div.contains(a) div.contains(b) }