Run results for: Array(1,000,000 length) Mapping | Array.from vs Spread

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Mobile Safari/537.36

Browser: Chrome Mobile 131

Operating system: Android

Device Platform: Mobile

Date tested: one year ago

Spread

29/s

Array.from

12/s

View exact numbers

Test name	Executions per second
✓ Spread	29 Ops/sec
Array.from	12 Ops/sec

Script Preparation code:

const largeArray = [];
for (let i = 0; i < 1_000_000; i++) {
  largeArray.push(i);
}

Tests: