Run results for: empty an array in JavaScript - splice vs setting length

Run details:

User agent: Mozilla/5.0 (Linux; Android 12; MI 8) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.41 Mobile Safari/537.36

Browser: Chrome Mobile 101

Operating system: Android

Device Platform: Mobile

Date tested: 2 years ago

Test name	Executions per second
Set length to zero	12588.5 Ops/sec
Splice	11299.8 Ops/sec

Tests:

Set length to zero
var size = 10000; var arr2 = []; for (var i = 0; i < size; i++){ arr2.push(i); } arr2.length = 0;
Splice
var size = 10000; var arr3 = []; for (var i = 0; i < size; i++){ arr3.push(i); } arr3.splice(0);