Benchmark: push vs spread vs concat irekkk

Tests:

push
let a = []; for (let i = 0; i < 10000; i++) { const b = [i]; a.push(...b); }
spread
let a = []; for (let i = 0; i < 10000; i++) { const b = [i]; a = [...a, ...b] }
concat
let a = []; for (let i = 0; i < 10000; i++) { const b = [i]; a = a.concat(b) }

Rendered benchmark preparation results:

Previous results

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Latest run results:

Run details: (Test run date: 4 years ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/77.0.3865.120 Safari/537.36

Browser/OS: Chrome 77 on Mac OS X 10.15.0

push vs spread vs concat irekkk (version: 0)