Run results for: slice VS splice VS shift: who is the fastest to keep constant size 100

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.0.0 Safari/537.36

Browser: Chrome 107

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
slice	116.2 Ops/sec
splice	176487.8 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(100);
list.push('slice');
list = list.slice(100);
splice
list.push('splice'); list.splice(0, 100);
list.push('splice');
list.splice(0, 100);