Run results for: Array.concat vs Spread Operator

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.139 Safari/537.36

Browser: Chrome 66

Operating system: Linux

Device Platform: Desktop

Date tested: 6 years ago

Test name	Executions per second
Spread operator	2771198.0 Ops/sec
Concat	4971058.0 Ops/sec

Tests:

Spread operator
const a = [ "Hello", true, 10 ], b = [ "World", false, 4 ]; let c = [ ...a, ...b ];
Concat
const a = [ "Hello", true, 10 ], b = [ "World", false, 4 ]; let c = a.concat(b);