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

Run details:

User agent: Mozilla/5.0 (Windows NT 6.3; Win64; x64; rv:109.0) Gecko/20100101 Firefox/115.0

Browser: Firefox 115

Operating system: Windows 8.1

Device Platform: Desktop

Date tested: one year ago

Slice

482K/s

Spread

394K/s

Array.from

391K/s

Spread on NodeList

112K/s

Array.from on NodeList

112K/s

View exact numbers

Test name	Executions per second
✓ Slice	481,917 Ops/sec
Spread	394,334 Ops/sec
Array.from	390,618 Ops/sec
Spread on NodeList	111,740 Ops/sec
Array.from on NodeList	111,663 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];
Slice
var other = [].slice.call(listItems);