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

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 11_0_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.88 Safari/537.36

Browser: Chrome 87

Operating system: Mac OS X 11.0.1

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
Concat	14770450.0 Ops/sec
Spread	44936450.0 Ops/sec
Push	76245460.0 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);