Run results for: slice VS splice VS shif vs substr vs substring short

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/99.0.4844.82 Safari/537.36

Browser: Chrome 99

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Script Preparation code:

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

Tests:

slice
for (var i = 0; i < 1000; i++) { list.push("IDqualcosaltro"+i); [...list[i]].slice(2); }
splice
for (var i = 0; i < 1000; i++) { list.push("IDqualcosaltro"+i); [...list[i]].splice(2); }
shift
for (var i = 0; i < 1000; i++) { list.push("IDqualcosaltro"+i); let tmp =[...list[i]] tmp.shift(); tmp.shift(); tmp.toString().replaceAll(',','') }
substr
for (var i = 0; i < 1000; i++) { list.push("IDqualcosaltro"+i); list[i].substr(2); }
substring
for (var i = 0; i < 1000; i++) { list.push("IDqualcosaltro"+i); list[i].substring(2); }