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

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.5 Safari/605.1.15

Browser: Safari 17

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Array.from

1.9M/s

Spread

1.9M/s

Spread on NodeList

432K/s

Array.from on NodeList

415K/s

View exact numbers

Test name	Executions per second
✓ Array.from	1,948,642 Ops/sec
Spread	1,862,286 Ops/sec
Spread on NodeList	431,974 Ops/sec
Array.from on NodeList	414,958 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];