Run results for: querySelector vs getElementsByClassName

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.139 Safari/537.36

Browser: Chrome 66

Operating system: Mac OS X 10.11.6

Device Platform: Other

Date tested: 5 years ago

Test name	Executions per second
querySelector	96914.5 Ops/sec
getElementsByClassName	469456.0 Ops/sec

HTML Preparation code:

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

Tests: