Toggle navigation
MeasureThat.net
Create a benchmark
Tools
Feedback
FAQ
Register
Log In
Run results for:
Reduce vs Map+FromEntries vs for loop vs forEach
Go to the benchmark
Embed
Embed Benchmark Result
Run details:
User agent:
Mozilla/5.0 (X11; Linux x86_64; rv:128.0) Gecko/20100101 Firefox/128.0
Browser:
Firefox 128
Operating system:
Linux
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
reduce
1821.7 Ops/sec
map + fromEntries
1441.3 Ops/sec
for loop
1940.1 Ops/sec
forEach
1786.6 Ops/sec
Script Preparation code:
var data = Array.from(Array(10000).keys());
Tests:
reduce
Object.entries(data).reduce((acc, [k, v]) => { acc[k] = v.toString(); return acc; }, {});
map + fromEntries
Object.fromEntries(Object.entries(data).map(([k, v]) => ([k, v.toString()])));
for loop
const dataObject = Object.entries(data) const acc = {} for (let i = 0; i < dataObject.length; i++) { const [k, v] = dataObject[i]; acc[k] = v.toString() }
forEach
const dataObject = Object.entries(data) const acc = {} dataObject.forEach(([k, v]) => {acc[k] = v.toString()})