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Array flat
(version: 1)
Comparing performance of:
concat reduce vs concat spread vs flat
Created:
one year ago
by:
Guest
Go to the latest result
HTML Preparation code:
<!--your preparation HTML code goes here-->
Script Preparation code:
/*your preparation JavaScript code goes here To execute async code during the script preparation, wrap it as function globalMeasureThatScriptPrepareFunction, example:*/ async function globalMeasureThatScriptPrepareFunction() { // This function is optional, feel free to remove it. // await someThing(); }
Tests:
concat reduce
/*When writing async/deferred tests, use `deferred.resolve()` to mark test as done*/ var params = [[ 1, 2 ], [ "hello", true, 7 ]]; var other = params.reduce((acc, val) => acc.concat(val), []);
concat spread
var params = [[ 1, 2 ], [ "hello", true, 7 ]]; var other = [].concat(...params);
flat
var params = [[ 1, 2 ], [ "hello", true, 7 ]]; var other = params.flat();
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (3)
Previous results
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Test case name
Result
concat reduce
concat spread
flat
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
2 months ago
)
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:150.0) Gecko/20100101 Firefox/150.0
Browser/OS:
Firefox 150 on Windows
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Embed
Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=628658" width="100%" height="500px"></iframe>
flat
14.9M/s
concat spread
12.2M/s
concat reduce
10.3M/s
View exact numbers
Test name
Executions per second
✓
flat
14,861,402 Ops/sec
concat spread
12,192,948 Ops/sec
concat reduce
10,344,091 Ops/sec
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