Run results for: slice VS splice 500k entries from 1m entries

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/14.1 Safari/605.1.15

Browser: Safari 14

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
slice	3750439.0 Ops/sec
splice	4332622.0 Ops/sec

Script Preparation code:

var list = [];
for (var i = 0; i < 1_000_000; i++) {
  list.push(i);
}

AخA
 
var list = [];for (var i = 0; i < 1_000_000; i++) {  list.push(i);}

Tests:

slice
list.push('slice'); list = list.slice(250_000, 750_000);
list.push('slice');
list = list.slice(250_000, 750_000);
splice
list.push('splice'); list.splice(250_000, 500_000);
list.push('splice');
list.splice(250_000, 500_000);