Benchmark: js spread vs concat

Tests:

Spread
const arr1 = [ "hello", true, 7 ]; const arr2 = [ "hello", true, 7 ]; function sum(arr){ return arr.reduce((prev, curr) => prev + curr, 0); } sum([...arr1,...arr2]);
Concat
const arr1 = [ "hello", true, 7 ]; const arr2 = [ "hello", true, 7 ]; function sum(arr){ return arr.reduce((prev, curr) => prev + curr, 0); } sum(arr1.concat(arr2));

Rendered benchmark preparation results:

Previous results

Test case name	Result
Spread
Concat

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

Latest run results:

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

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.5112.102 Safari/537.36

Browser/OS: Chrome 104 on Windows

Test name	Executions per second
Spread	8441907.0 Ops/sec
Concat	5061272.0 Ops/sec

js spread vs concat (version: 0)