Benchmark: Spreading vs Contact in Reduce

Tests:

Reduce + Spread
const array = [[1,2], ["hello",true]]; const result = array.reduce((a, v) => [...a, ...v], []);
Reduce + Concat
const array = [[1,2], ["hello",true]]; const result = array.reduce((a, v) => a.concat(v), []);

Rendered benchmark preparation results:

Previous results

Test case name	Result
Reduce + Spread
Reduce + Concat

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Latest run results:

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

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 15_0 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.0 Mobile/15E148 Safari/604.1

Browser/OS: Mobile Safari 15 on iOS 15.0

Test name	Executions per second
Reduce + Spread	6573826.0 Ops/sec
Reduce + Concat	8124447.0 Ops/sec

Spreading vs Contact in Reduce (version: 0)