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

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/113.0

Browser: Firefox 113

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
Array.prototype.slice	3892178.5 Ops/sec
Array.from	1516577.5 Ops/sec
Spread operator	1599742.2 Ops/sec

HTML Preparation code:

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

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