Run results for: document.querySelectorAll vs document.body.querySelectorAll

Run details:

User agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:69.0) Gecko/20100101 Firefox/69.0

Browser: Firefox 69

Operating system: Windows 7

Device Platform: Desktop

Date tested: 5 years ago

Test name	Executions per second
document.querySelectorAll	1159963.0 Ops/sec
document.body.querySelectorAll	1192517.0 Ops/sec

HTML Preparation code:

<div class="test"></div>

Tests: