Run results for: querySelector vs getElementsByClassName

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3666.0 Safari/537.36

Browser: Chrome 73

Operating system: Mac OS X 10.12.6

Device Platform: Desktop

Date tested: 5 years ago

Test name	Executions per second
querySelector	3184254.0 Ops/sec
getElementsByClassName	3759943.0 Ops/sec

HTML Preparation code:

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

Tests: