Run results for: Object.entries vs Generator

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/26.4 Safari/605.1.15

Browser: Safari 26

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 4 months ago

Generator

2K/s

Object.entries

1K/s

View exact numbers

Test name	Executions per second
✓ Generator	1,852 Ops/sec
Object.entries	1,270 Ops/sec

Script Preparation code:

var data = { ...Array.from(Array(10000).keys()) };

Tests:

Object.entries
Object.entries(data);
Generator
[ ...(function* () { for (const key in data) { yield [key, data[key]]; } })() ];