Run results for: querySelectorAll vs. getElementsByClassName with forEach

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_1) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.0.3 Safari/605.1.15

Browser: Safari 13

Operating system: Mac OS X 10.15.1

Device Platform: Desktop

Date tested: 5 years ago

Test name	Executions per second
querySelectorAll	918293.0 Ops/sec
getElementsByClassName	1436991.0 Ops/sec

HTML Preparation code:

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

AخA
 
<div class="test"></div>

Tests:

querySelectorAll
document.querySelectorAll(".test").forEach(x=>x.style.color='red')
document.querySelectorAll(".test").forEach(x=>x.style.color='red')
getElementsByClassName
Array.from(document.getElementsByClassName(".test")).forEach(x=>x.style.color='red')
Array.from(document.getElementsByClassName(".test")).forEach(x=>x.style.color='red')