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

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:56.0) Gecko/20100101 Firefox/56.0

Browser: Firefox 56

Operating system: Windows

Device Platform: Other

Date tested: 6 years ago

Test name	Executions per second
document.querySelectorAll	136259.4 Ops/sec
document.body.querySelectorAll	148836.5 Ops/sec

HTML Preparation code:

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

Tests: