Run results for: document.body vs document.querySelector('body') is performence2

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36

Browser: Chrome 123

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

document.body;

135K/s

querySelector

129K/s

View exact numbers

Test name	Executions per second
✓ document.body;	134,576 Ops/sec
querySelector	128,757 Ops/sec

HTML Preparation code:

<!doctype html>
<html><head></head>
  <body><h1 class="hello"></body>
</html>

Tests: