Run results for: slice VS splice VS shift: who is the fastest to keep constant size (bulk test)

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/110.0

Browser: Firefox 110

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

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

list.push('splice');
for (var i = 0; i < 500; i++) {
	list.shift();
}

 
list.push('splice');for (var i = 0; i < 500; i++) {    list.shift();}