Run results for: document.body vs document.querySelector on element

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:120.0) Gecko/20100101 Firefox/120.0

Browser: Firefox 120

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

querySelector

3.6M/s

Direct access

3.2M/s

View exact numbers

Test name	Executions per second
✓ querySelector	3,580,651 Ops/sec
Direct access	3,242,714 Ops/sec

HTML Preparation code:

<!DOCTYPE html>
<html lang="ru">
<head>
</head>
<body>
  <div id="foo"></div>
</body>
</html>

Tests: