Benchmark: concat vs spread perfs

Tests:

Spread
const a = [1, 2, 3, 4 ,5, 6, {a:1}]; const b = [7, 8, 9, 10, 11, 12, {b:2}] const c = [...a, ...b];
concat
const a = [1, 2, 3, 4 ,5, 6, {a:1}]; const b = [7, 8, 9, 10, 11, 12, {b:2}] const c = a.concat(b);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Spread
concat

Fastest: N/A

Slowest: N/A

ⓘ Get performance results from real users on your website with Request Metrics.

Website Performance Monitoring by Request Metrics

Latest run results:

Run details: (Test run date: 2 years ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/98.0.4758.119 YaBrowser/22.3.0.2520 Yowser/2.5 Safari/537.36

Browser/OS: Yandex Browser 22 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
Spread	12489730.0 Ops/sec
concat	6078889.0 Ops/sec

concat vs spread perfs (version: 0)

Comparing performance of: Spread vs concat

Created: 3 years ago by: Guest

Jump to the latest result

Spread

concat

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A