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

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.114 Safari/537.36

Browser: Chrome 89

Operating system: Mac OS X 10.15.2

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
Array.prototype.slice	533770.3 Ops/sec
Array.from	421253.6 Ops/sec
Spread operator	453799.3 Ops/sec

HTML Preparation code:

<div class="a"></div>
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<div class="a"></div>
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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];

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

Array.prototype.slice

Array.from

Spread operator