Run results for: Javascript string to array mapping: Array.from() vs Spread syntax [...spread] vs split

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:138.0) Gecko/20100101 Firefox/138.0

Browser: Firefox 138

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

split

961K/s

[...spread]

206K/s

Array.from

201K/s

View exact numbers

Script Preparation code:

var string = '1'.repeat(1000);

Tests: