Run results for: Spread vs. Apply

Run details:

User agent: Mozilla/5.0 (Linux; Android 8.1.0; Moto G5 Build/OPM1.171019.011) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.137 Mobile Safari/537.36

Browser: Chrome Mobile 64

Operating system: Android 8.1.0

Device Platform: Moto G5

Date tested: 2025 years ago

Test name	Executions per second
Apply	315497.1 Ops/sec
Apply + concat with existing args	37287.9 Ops/sec
Spread	23560.6 Ops/sec
Spread with existing args	23470.4 Ops/sec

Script Preparation code:

var arr = [];
for (var i = 0; i < 2048; i++) {
  arr.push(Math.floor(Math.random() * 4096));
}

Tests:

Apply
Math.max.apply(arr);
Apply + concat with existing args
Math.max.apply(arr.concat([1, 2, 4, 2, 3, 1, 2]));
Spread
Math.max(...arr);
Spread with existing args
Math.max(1, 2, 4, 2, 3, 1, 2, ...arr);

Run results for: Spread vs. Apply

Apply

Apply + concat with existing args

Spread

Spread with existing args