Benchmark: lee - spread vs concat

Tests:

spread
const a = [{ z: 'a', y: 'b' }, { z: 'b', y: 'c' }]; const b = { z: 'c', y: 'd' }; const c = [...a, b];
concat
const a = [{ z: 'a', y: 'b' }, { z: 'b', y: 'c' }]; const b = { z: 'c', y: 'd' }; const c = a.concat(b);

Rendered benchmark preparation results:

Previous results

Test case name	Result
spread
concat

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Latest run results:

Run details: (Test run date: 5 years ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Browser/OS: Chrome 74 on Windows

Test name	Executions per second
spread	4645715.0 Ops/sec
concat	3547435.0 Ops/sec

lee - spread vs concat (version: 0)