Run results for: Object.fromEntries vs reduce v3

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36

Browser: Chrome 93

Operating system: Mac OS X 10.15.7

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 }), {});