Run results for: NodeList vs Array iterator

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/132.0.0.0 Safari/537.36

Browser: Chrome 132

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
nodeList	25074.8 Ops/sec
array	44741.0 Ops/sec

HTML Preparation code:

<ul>
</ul>

Script Preparation code:

var ul = document.querySelector('ul');
for(var i=0;i<100;i++) {
  ul.appendChild(document.createElement('li'));
}

var nodeList = document.querySelectorAll('li');
var array = Array.from(nodeList);

Tests:

nodeList
for (let i of nodeList) { i.classList.add("hi"); }
array
for (let i of array) { i.classList.add("hi"); }