Run results for: reduce object vs object.fromentries (1K records)

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36 Edg/127.0.0.0

Browser: Chrome 127

Operating system: Windows

Device Platform: Desktop

Date tested: 8 months ago

Test name	Executions per second
reduce	171484560.0 Ops/sec
Object.fromEntries	194263264.0 Ops/sec

Script Preparation code:

const array = Array.from({ length: 1000 }, (_, i) => ({ key: `key${i}`, value: i }));

AخA
 
const array = Array.from({ length: 1000 }, (_, i) => ({ key: `key${i}`, value: i }));

Tests:

function reduce() {
  return array.reduce((acc, { key, value }) => {
    acc[key] = value;
    return acc;
  }, {});
}

 
function reduce() {  return array.reduce((acc, { key, value }) => {    acc[key] = value;    return acc;  }, {});}

Object.fromEntries
function objectFromEntries() { return Object.fromEntries(array.map(({ key, value }) => [key, value])); }
function objectFromEntries() {
return Object.fromEntries(array.map(({ key, value }) => [key, value]));
}