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 = [];

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

Tests:

Rest
const r = fr([0], 1, 2, 3, 4, 5);
const r = fr([0], 1, 2, 3, 4, 5);
Array
const r = fa([0], [1, 2, 3, 4, 5]);
const r = fa([0], [1, 2, 3, 4, 5]);
Rest Empty
const r = fr([0]);
const r = fr([0]);
Array Empty
const r = fa([0], []);
const r = fa([0], []);
Array Predefined
const r = fa([0], af);
const r = fa([0], af);
Array Empty Predefined
const r = fa([0], ae);
const r = fa([0], ae);