Run results for: querySelector vs getElementsByClassName

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_8_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.112 Safari/537.36

Browser: Chrome 49

Operating system: Mac OS X 10.8.5

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
querySelector	815597.5 Ops/sec
getElementsByClassName	1432148.0 Ops/sec

HTML Preparation code:

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

Tests: