Run results for: Spread vs. Apply

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.167 Safari/537.36

Browser: Chrome 64

Operating system: Mac OS X 10.12.6

Device Platform: Other

Date tested: 2025 years ago

Test name	Executions per second
Apply	3683283.0 Ops/sec
Apply + concat with existing args	303861.8 Ops/sec
Spread	225765.2 Ops/sec
Spread with existing args	227140.3 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);