Benchmark: Array Spread vs concat

Tests:

Array Concat
let arr1 = [1,2,3]; let arr2 = [4,5,6]; let arr3 = arr1.concat(arr2);
Spread Operator
let arr1 = [1,2,3]; let arr2 = [4,5,6]; let arr3 = [...arr1, ...arr2];

Rendered benchmark preparation results:

Previous results

Test case name	Result
Array Concat
Spread Operator

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Latest run results:

Run details: (Test run date: 6 years ago)

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.75 Safari/537.36

Browser/OS: Chrome 68 on Linux

Test name	Executions per second
Array Concat	4813927.0 Ops/sec
Spread Operator	9583700.0 Ops/sec

Array Spread vs concat (version: 0)