Benchmark: Rest parameters vs array parameter with empty parameters

Script Preparation code:

fr = (a, ...b) => a.concat(b.map(String))
fa = (a,    b) => a.concat(b.map(String))

af = [1, 2, 3, 4, 5];
ae = [];

Tests:

Rendered benchmark preparation results:

Previous results

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Latest run results:

Run details: (Test run date: 2 years ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.1 Safari/605.1.15

Browser/OS: Safari 15 on Mac OS X 10.15.7

Rest parameters vs array parameter with empty parameters (version: 0)