Run results for: Compare Concat->Push with Spread->Concat

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.164 Safari/537.36

Browser: Chrome 91

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
Concat and Push	10246.2 Ops/sec
Spread And Concat	14283.5 Ops/sec

Tests:

Concat and Push
var init = [10,11,12,13]; var params = [ [1, 2], [3,4 ], [5, 6], [7, 8 ]]; init.push(...([]).concat(...params)); console.log(init);
Spread And Concat
var init = [10,11,12,13]; var params = [ [1, 2], [3,4 ], [5, 6], [7, 8 ]]; init = init.concat(...params); console.log(init);