Run results for: Array.from vs Spread with Node List

Run details:

User agent: Mozilla/5.0 (Android 11; Mobile; rv:97.0) Gecko/97.0 Firefox/97.0

Browser: Firefox Mobile 97

Operating system: Android

Device Platform: Mobile

Date tested: 2 years ago

Test name	Executions per second
Array.from	115063.4 Ops/sec
Spread	114344.6 Ops/sec
Array.from on NodeList	49285.1 Ops/sec
Spread on NodeList	28206.8 Ops/sec

HTML Preparation code:

<ul>
</ul>

Script Preparation code:

var fooSet = new Set();
var ul = document.querySelector('ul');
for(var i=0;i<100;i++) {
  fooSet.add(i);
  ul.appendChild(document.createElement('li'));
}

var listItems = document.querySelectorAll('li');

Tests:

Array.from
var other = Array.from(fooSet);
Spread
var other = [...fooSet];
Array.from on NodeList
var other = Array.from(listItems);
Spread on NodeList
var other = [...listItems];

Run results for: Array.from vs Spread with Node List

Array.from

Spread

Array.from on NodeList

Spread on NodeList