Run results for: Issou by Ruskie

Run details:

User agent: Mozilla/5.0 (Linux; Android 8.1.0; COL-L29 Build/HUAWEICOL-L29; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/70.0.3538.80 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/191.0.0.22.98;]

Browser: Chrome Mobile 70

Operating system: Android 8.1.0

Device Platform: Mobile

Date tested: 6 years ago

Test name	Executions per second
Array.prototype.concat()	2981525.2 Ops/sec
Spread operator	9226378.0 Ops/sec

Tests:

Array.prototype.concat()
var arr = [ "foo", true, 7 ]; var other = [ 1, 2 ].concat(arr);
Spread operator
var arr = [ "foo", true, 7 ] var other = [ 1, 2, ...arr ]

Run results for: Issou by Ruskie

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Array.prototype.concat()

Spread operator