Benchmark: Object.fromEntries vs reduce fork

Script Preparation code:

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

Tests:

Object.fromEntries
Object.fromEntries(Object.entries(data).map(([key, value]) => [key, value.toString()]));
Reduce (reuse object)
Object.entries(data).map(([key, value]) => [key, value.toString()]).reduce((acc, [k, v]) => { acc[k] = v; return acc; }, {});
Reduce (map in reducer)
Object.entries(data).reduce((acc, [k, v]) => { acc[k] = v.toString(); return acc }, {});

Rendered benchmark preparation results:

Previous results

Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:131.0) Gecko/20100101 Firefox/131.0

Browser/OS: Firefox 131 on Mac OS X 10.15

Reduce (map in reducer)

2K/s

Object.fromEntries

2K/s

Reduce (reuse object)

2K/s

View exact numbers

Object.fromEntries vs reduce fork (version: 0)