Run results for: Array.prototype.slice vs Array.from

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Safari/537.36 Edg/143.0.0.0

Browser: Chrome 143

Operating system: Windows

Device Platform: Desktop

Date tested: 7 months ago

Array.prototype.slice

1.3M/s

Spread operator

1.1M/s

Array.from

933K/s

View exact numbers

Test name	Executions per second
✓ Array.prototype.slice	1,256,662 Ops/sec
Spread operator	1,123,189 Ops/sec
Array.from	933,283 Ops/sec

HTML Preparation code:

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Script Preparation code:

var a = document.getElementsByClassName('a');

Tests:

Array.prototype.slice
var other = Array.prototype.slice.call(a);
Array.from
var other = Array.from(a);
Spread operator
var other = [...a];