Run results for: querySelector vs getElementsByClassName

Run details:

User agent: Mozilla/5.0 (Windows NT 5.1; rv:68.0) Gecko/20100101 Goanna/4.8 Firefox/68.0 Basilisk/52.9.0

Browser: Firefox 68

Operating system: Windows XP

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
querySelector	2787601.0 Ops/sec
getElementsByClassName	20254630.0 Ops/sec

HTML Preparation code:

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

Tests: