Run results for: Array.from vs Array.fill (zeroes)

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 17_3_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.3.1 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 17

Operating system: iOS 17.3.1

Device Platform: Mobile

Date tested: 2 years ago

Benchmark engine: Benchmark.js

from

652/s

fill

371/s

View exact numbers

Test name	Executions per second
✓ from	652 Ops/sec
fill	371 Ops/sec

Tests:

from
const n = 10000, length = 50 const result = [] for (let i = 0; i < n; ++i) { result.push(Array.from({length}, () => 0)) }
fill
const n = 10000, length = 50 const result = [] for (let i = 0; i < n; ++i) { result.push(Array(length).fill(0)) }