Run results for: Spread vs Array.from performance

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36 Edg/127.0.0.0

Browser: Chrome 127

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

Array.from

423K/s

Spread

409K/s

Spread (more elements)

633/s

Array.from (more elements)

552/s

View exact numbers

Tests:

Spread
[...new Array(10)].map(() => (Math.trunc(Math.random() * 36)).toString(36)).join('');
Array.from
Array.from({ length: 10 }, () => (Math.trunc(Math.random() * 36)).toString(36)).join('');
Spread (more elements)
[...new Array(10000)].map(() => (Math.trunc(Math.random() * 36)).toString(36)).join('');
Array.from (more elements)
Array.from({ length: 10000 }, () => (Math.trunc(Math.random() * 36)).toString(36)).join('');