Run results for: Object.entries vs Generator

Run details:

User agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/113.0

Browser: Firefox 113

Operating system: Ubuntu

Device Platform: Desktop

Date tested: 2 years ago

Object.entries

2K/s

Generator

246/s

View exact numbers

Test name	Executions per second
✓ Object.entries	1,592 Ops/sec
Generator	246 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]]; } })() ];