Run results for: Object.fromEntries on array vs reduce on array

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.0.0 Safari/537.36

Browser: Chrome 103

Operating system: Linux

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
Reduce	72.7 Ops/sec
Object	891.3 Ops/sec

Script Preparation code:

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

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

Tests:

Reduce
data.reduce((acc, v) => ({ ...acc, [v]: v.toString() }), {});
data.reduce((acc, v) => ({
...acc,
[v]: v.toString()
}), {});
Object
Object.fromEntries(data.map(value => [value, value.toString()]));
Object.fromEntries(data.map(value => [value, value.toString()]));