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

Run details:

User agent: Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36

Browser: Chrome 63

Operating system: Windows 8.1

Device Platform: Other

Date tested: 2025 years ago

Test name	Executions per second
slice	5783406.5 Ops/sec
spread operator	676873.6 Ops/sec

Tests:

slice
const params = [1,2,3,4,5,6,7,8,9,0,34,45,45645,645,75,78,868,575,5,235,4,546,567,5,645,645] const copied = params.slice()
spread operator
const params = [1,2,3,4,5,6,7,8,9,0,34,45,45645,645,75,78,868,575,5,235,4,546,567,5,645,645] const copied = [...params]