Run results for: querySelectorAll vs getElementsByClassName

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 11_2_6 like Mac OS X) AppleWebKit/604.1.34 (KHTML, like Gecko) GSA/51.0.198805899 Mobile/15D100 Safari/604.1

Browser: Mobile Safari 11

Operating system: iOS 11.2.6

Device Platform: Mobile

Date tested: 5 years ago

Test name	Executions per second
querySelectorAll	1865990.0 Ops/sec
getElementsByClassName	2912140.0 Ops/sec

HTML Preparation code:

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

Tests:

querySelectorAll
document.querySelectorAll(".test")
getElementsByClassName
document.getElementsByClassName(".test")