Run results for: prr and skrr

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/78.0.3904.108 Safari/537.36 OPR/65.0.3467.78

Browser: Opera 65

Operating system: Windows

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
Spread bread	1199009.4 Ops/sec
Concat	536794.2 Ops/sec

Tests:

Spread bread
var one = [ ["image000_tn.jpg", "image001_tn.jpg", "image002_tn.jpg", "image003_tn.jpg", ], ...["image004_tn.jpg", "image005_tn.jpg", "image006_tn.jpg", "image007_tn.jpg", "image008_tn.jpg",], ...["image009_tn.jpg", "image010_tn.jpg", "image011_tn.jpg", "image012_tn.jpg", "image013_tn.jpg",], ...["image014_tn.jpg", "image015_tn.jpg", "image016_tn.jpg", "image017_tn.jpg", "image018_tn.jpg", ], ...["image019_tn.jpg", "image020_tn.jpg", "image021_tn.jpg", "image022_tn.jpg"] ]
Concat
var one = ["image000_tn.jpg", "image001_tn.jpg", "image002_tn.jpg", "image003_tn.jpg", ] .concat(["image004_tn.jpg", "image005_tn.jpg", "image006_tn.jpg", "image007_tn.jpg", "image008_tn.jpg",], ["image009_tn.jpg", "image010_tn.jpg", "image011_tn.jpg", "image012_tn.jpg", "image013_tn.jpg",], ["image014_tn.jpg", "image015_tn.jpg", "image016_tn.jpg", "image017_tn.jpg", "image018_tn.jpg", ], ["image019_tn.jpg", "image020_tn.jpg", "image021_tn.jpg", "image022_tn.jpg"])