Toggle navigation
MeasureThat
.net
Create a benchmark
Tools
Feedback
FAQ
Register
Log In
Run results for:
flat() vs flatMap()
Go to the benchmark
Embed
Embed Benchmark Result
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:150.0) Gecko/20100101 Firefox/150.0
Browser:
Firefox 150
Operating system:
Windows
Device Platform:
Desktop
Date tested:
3 months ago
flat()
5K/s
flatMap()
3K/s
View exact numbers
Test name
Executions per second
✓
flat()
4,768 Ops/sec
flatMap()
3,367 Ops/sec
Script Preparation code:
var arr = Array.from({ length: 9999 }, () => [{a: 1, b: 2, c:3 }, {d: 4, e: 5, f: 6}]);
Tests:
flat()
arr.flat();
flatMap()
arr.flatMap(e => e);