Run results for: querySelectorAll foreach vs getElementsByClassName [].forEach.call() 2

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36

Browser: Chrome 81

Operating system: Windows

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
querySelectorAll foreach	242654.6 Ops/sec
getElementsByClassName [].forEach.call()	281002.7 Ops/sec
Array.prototype	260200.0 Ops/sec
Array.from	171429.3 Ops/sec

HTML Preparation code:

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

Tests:

querySelectorAll foreach
var test = document.querySelectorAll(".test"); test.forEach(el => { var t = el; });
getElementsByClassName [].forEach.call()
var test = document.getElementsByClassName("test"); [].forEach.call(test, el => { var t = el; });
Array.prototype
var test = document.getElementsByClassName("test"); Array.prototype.forEach.call(test, el => { var t = el; });
Array.from
var test = document.querySelectorAll(".test"); Array.from(test).forEach(el => { var t = el; });

Run results for: querySelectorAll foreach vs getElementsByClassName [].forEach.call() 2

querySelectorAll foreach

getElementsByClassName [].forEach.call()

Array.prototype

Array.from