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

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.1 Safari/605.1.15

Browser: Safari 18

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Spread

1K/s

Array.from

249/s

View exact numbers

Test name	Executions per second
✓ Spread	1,198 Ops/sec
Array.from	249 Ops/sec

Script Preparation code:

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

Tests: