Run results for: Object.fromEntries vs reduce v3

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/95.0.4638.69 Safari/537.36

Browser: Chrome 95

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Script Preparation code:

var data = [...Array(10000)].map((_, i) => ({ key: i, value: i }));

Tests:

Object.fromEntries(.map())
Object.fromEntries(data.map(({ key, value }) => [key, value]));
Reduce (mutate)
data.reduce((acc, { key, value }) => { acc[key] = value; return acc; }, {});
Reduce (spread)
data.reduce((acc, { key, value }) => ({ ...acc, [key]: value }), {});