Run results for: Object.fromEntries vs reduce round 2

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.0.0 Safari/537.36

Browser: Chrome 112

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
Object.fromEntries	2030.1 Ops/sec
Reduce (creating temporary objects)	96.0 Ops/sec

Script Preparation code:

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

AخA
 
var data = Array.from(Array(10000).keys());

Tests:

Object.fromEntries
Object.fromEntries(data.map((key) => [key, 'x']));
Object.fromEntries(data.map((key) => [key, 'x']));
Reduce (creating temporary objects)
data.reduce((acc, k) => ({ ...acc, [k]: 'x' }), {});
data.reduce((acc, k) => ({
...acc,
[k]: 'x'
}), {});