Benchmark: JS concat vs spread operator

Tests:

Array concat
const params = [ "hello", true, 7 ]; [1, 2].concat(params)
spread operator
const params = [ "hello", true, 7 ]; [1, 2, ...params]

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Array concat
spread operator

Fastest: N/A

Slowest: N/A

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Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (Linux; Android 10; MAR-LX1A) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.41 Mobile Safari/537.36 (Ecosia [email protected])

Browser/OS: Chrome Mobile 101 on Android

View result in a separate tab

Test name	Executions per second
Array concat	2172429.0 Ops/sec
spread operator	10391810.0 Ops/sec

JS concat vs spread operator (version: 0)

Compare the new ES6 spread operator with the traditional concat() method

Comparing performance of: Array concat vs spread operator

Created: 4 years ago by: Guest

Jump to the latest result

Array concat

spread operator

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A