Run results for: reduce vs fromEntries

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/140.0.0.0 Safari/537.36 Edg/140.0.0.0

Browser: Chrome 140

Operating system: Windows

Device Platform: Desktop

Date tested: 11 months ago

Object.fromEntries

187/s

Object.reduce

25/s

View exact numbers

Test name	Executions per second
✓ Object.fromEntries	187 Ops/sec
Object.reduce	25 Ops/sec

HTML Preparation code:

<!--your preparation HTML code goes here-->

Script Preparation code:

const ids = Array.from(Array(1000).keys());
var data = { ...Array.from(Array(10000).keys()) };

Tests:

Object.fromEntries
Object.fromEntries(Object.entries(data).filter(([id]) => ids.includes(id)));
Object.reduce
Object.keys(data) .filter((id) => !ids.includes(id)) .reduce((acc, id) => ({...acc, [id]: data[id]}), {})