Toggle navigation
MeasureThat
.net
Create a benchmark
Tools
Feedback
Feature Requests
FAQ
Register
Log In
Run results for:
Array.flat() vs. concat() + spreadOperator + concat.apply()
Compare the Array.flat() to concat() + spread operator
Go to the benchmark
Embed
Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=598650" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:137.0) Gecko/20100101 Firefox/137.0
Browser:
Firefox 137
Operating system:
Mac OS X 10.15
Device Platform:
Desktop
Date tested:
one year ago
Benchmark engine:
Benchmark.js
concat.apply()
19.3M/s
concat() + spread operator
18.9M/s
Array.flat()
16.5M/s
View exact numbers
Test name
Executions per second
✓
concat.apply()
19,268,716 Ops/sec
concat() + spread operator
18,897,958 Ops/sec
Array.flat()
16,478,030 Ops/sec
Tests:
concat() + spread operator
var params = [[ 1, 2 ], [ "hello", true, 7 ]]; var other = [].concat(...params);
Array.flat()
var params = [[1, 2, params], [ "hello", true, 7 ]]; var other = params.flat();
concat.apply()
var params = [[ 1, 2 ], [ "hello", true, 7 ]]; var other = [].concat.apply([], params);