Run results for: reduce vs map + fromEntries + parseJson 2 "

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.0.0 Mobile Safari/537.36

Browser: Chrome Mobile 102

Operating system: Android

Device Platform: Mobile

Date tested: one year ago

Test name	Executions per second
1	37.1 Ops/sec
2	31.6 Ops/sec

Script Preparation code:

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

Tests:

1
Object.entries(data).reduce((acc, [k, v]) => { acc[k] = JSON.parse('{"atj": "was here"}') return acc; }, {});
2
Object.fromEntries(Object.entries(data).map(([k, v]) => ([k, JSON.parse('{"atj": "was here"}')])));