Run results for: Rest parameters vs array parameter with empty parameters

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.3 Safari/605.1.15

Browser: Safari 15

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 3 years ago

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: