Run results for: querySelector vs getElementsByClassName

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/14.1 Safari/605.1.15

Browser: Safari 14

Operating system: Mac OS X 10.14.6

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
querySelector	2273403.0 Ops/sec
getElementsByClassName	2636730.0 Ops/sec

HTML Preparation code:

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

Tests: