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

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:135.0) Gecko/20100101 Firefox/135.0

Browser: Firefox 135

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: 2 months ago

Test name	Executions per second
querySelectorAll.forEach()	1393709.4 Ops/sec
[...getElementsByClassName].forEach()	1680963.0 Ops/sec

HTML Preparation code:

<div class="test">
    <div class="saufdzgzg">
        <div class="test"></div>
    </div>
    <div class="dsfdf">
        <div class="test">
            <div class="sd"></div>
        </div>
    </div>
</div>

Tests:

querySelectorAll.forEach()
document.querySelectorAll(".test").forEach((element) => element.classList.add("nottest"));
[...getElementsByClassName].forEach()
[...document.getElementsByClassName("test")].forEach((element) => element.classList.add("nottest"));