Run results for: Array.prototype.slice vs spread operator

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36 SberBrowser/21.0.0.0

Browser: Chrome 129

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

spread operator

40.1M/s

Array.prototype.slice

27.3M/s

View exact numbers

Test name	Executions per second
✓ spread operator	40,073,912 Ops/sec
Array.prototype.slice	27,286,106 Ops/sec

Tests:

Array.prototype.slice
var params = [ "hello", true, 7 ]; var other = [ 1, 2 ].slice();
spread operator
var params = [ "hello", true, 7 ] var other = [ ...params ]

Run results for: Array.prototype.slice vs spread operator

Compare the new ES6 spread operator with the traditional slice() method

Array.prototype.slice

spread operator