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

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 12_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/73.0.3683.68 Mobile/15E148 Safari/605.1

Browser: Chrome Mobile iOS 73

Operating system: iOS 12.1

Device Platform: Mobile

Date tested: 5 years ago

Test name	Executions per second
Array.prototype.slice	14190720.0 Ops/sec
spread operator	26419740.0 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