Run results for: Array concat vs spread vs push - MeasureThat.net

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/76.0.3809.100 Safari/537.36

Browser: Chrome 76

Operating system: Mac OS X 10.13.4

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
Concat	1248281.0 Ops/sec
Spread	9350404.0 Ops/sec
Push	15539540.0 Ops/sec

Website performance monitoring

Tests:

Concat
var params = [ "hello", true, 7 ]; var other = params.concat([ 1, 2 ]);
Spread
var params = [ "hello", true, 7 ] var other = [ ...params, 1, 2 ]
Push
var params = [ "hello", true, 7 ]; params.push(1); params.push(2);