Toggle navigation
MeasureThat.net
Create a benchmark
Tools
Feedback
FAQ
Register
Log In
Object.fromEntries-vs-reduce v2
(version: 1)
Comparing performance of:
Object.fromEntries vs Reduce (reuse object)
Created:
5 months ago
by:
Guest
Jump to the latest result
Script Preparation code:
var data = { ...Array.from(Array(10000).keys()) };
Tests:
Object.fromEntries
Object.fromEntries(Object.entries(data).map((key, value) => [key, value.toString()]));
Reduce (reuse object)
Object.entries(data).reduce((acc, [k, v]) => { acc[k] = v.toString(); return acc; }, {});
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
Fork
Test case name
Result
Object.fromEntries
Reduce (reuse object)
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
5 months ago
)
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36
Browser/OS:
Chrome 142 on Mac OS X 10.15.7
View result in a separate tab
Embed
Embed Benchmark Result
Test name
Executions per second
Object.fromEntries
344.6 Ops/sec
Reduce (reuse object)
2139.4 Ops/sec
Related benchmarks:
Object.fromEntries vs reduce
Object.fromEntries vs reduce - no map
Object.fromEntries vs reduce without toString
Object.fromEntries vs reduce [corrected]
Object.fromEntries vs reduce vs reduce-keys
Object.fromEntries vs reduce vs for
Object.fromEntries vs reduce without toString2
Object.fromEntries vs reduce without tostring function
Object.fromEntries vs reduce 100000
Object.fromEntries vs reduce - 100 keys
Comments
Confirm delete:
Do you really want to delete benchmark?