Run results for: document.body vs document.querySelector speed test

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.0.0 Safari/537.36

Browser: Chrome 109

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

Direct access

41.4M/s

querySelector

11.3M/s

View exact numbers

Test name	Executions per second
✓ Direct access	41,434,160 Ops/sec
querySelector	11,310,729 Ops/sec

HTML Preparation code:

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

Tests: