Run results for: querySelector vs getElementsByClassName

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_3) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/12.0.3 Safari/605.1.15

Browser: Safari 12

Operating system: Mac OS X 10.14.3

Device Platform: Desktop

Date tested: 5 years ago

Test name	Executions per second
querySelector	2509806.0 Ops/sec
getElementsByClassName	2935718.0 Ops/sec

HTML Preparation code:

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

Tests: