Run results for: length = 0 vs reassignment

Run details:

User agent: Mozilla/5.0 (Android 13; Mobile; rv:108.0) Gecko/108.0 Firefox/108.0

Browser: Firefox Mobile 108

Operating system: Android

Device Platform: Mobile

Date tested: one year ago

Test name	Executions per second
Set length to 0	83.4 Ops/sec
Reassign the array	183.0 Ops/sec

Tests:

Set length to 0
const arr = []; for (let i = 0; i < 10000; i++) { for (let j = 0; j < 100; j++) { arr.push(i); } arr.length = 0; };
Reassign the array
let arr = []; for (let i = 0; i < 10000; i++) { for (let j = 0; j < 100; j++) { arr.push(i); } arr = []; };