Benchmark: Array.prototype.concat vs splice for joining two arrays test2

Script Preparation code:

var a = Array(50).map(i => Math.random());
var b = Array(50).map(i => Math.random());

Tests:

Rendered benchmark preparation results:

Previous results

Test case name	Result
immutable with concat
direct mutation with splice + spread

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Latest run results:

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

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.127 Safari/537.36

Browser/OS: Chrome 100 on Linux

Test name	Executions per second
immutable with concat	2910623.0 Ops/sec
direct mutation with splice + spread	2011290.0 Ops/sec

Array.prototype.concat vs splice for joining two arrays test2 (version: 0)