Run results for: Comparing performance of: slice vs push

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:137.0) Gecko/20100101 Firefox/137.0

Browser: Firefox 137

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: one year ago

push

48.9M/s

slice

44.5M/s

View exact numbers

Test name	Executions per second
✓ push	48,871,336 Ops/sec
slice	44,541,968 Ops/sec

Script Preparation code:

var data = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];

Tests:

slice
var copy = data.slice(3, 8);
push
var copy = []; for (var i = 0; i <= data.length; i++) { if(i== 3 && i < 8) copy.push(data[i]) }