Run results for: querySelector vs getElementById

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36 OPR/54.0.2952.54

Browser: Opera 54

Operating system: Windows

Device Platform: Desktop

Date tested: 6 years ago

Test name	Executions per second
querySelector	1856941.8 Ops/sec
getElementById	3077381.5 Ops/sec

HTML Preparation code:

<html>
  <body>
    <div id="test2"></div>
    <div id="test"></div>
  </body>
</html>

Tests: