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

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 14_5 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/14.1 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 14

Operating system: iOS 14.5

Device Platform: Mobile

Date tested: 4 years ago

Test name	Executions per second
slice	4595423.0 Ops/sec
splice	5486982.5 Ops/sec

Script Preparation code:

var list = [];
for (var i = 0; i < 1000 * 1000; i++) {
  list.push(i);
}

AخA
 
var list = [];for (var i = 0; i < 1000 * 1000; i++) {  list.push(i);}

Tests:

slice
list.push('slice'); list = list.slice(500 * 1000);
list.push('slice');
list = list.slice(500 * 1000);
splice
list.push('splice'); list.splice(0, 500 * 1000);
list.push('splice');
list.splice(0, 500 * 1000);