Run results for: JS Build Big Array

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36 Edg/131.0.0.0

Browser: Chrome 131

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
Dynamic	17.2 Ops/sec
Pre Allocated	53.2 Ops/sec

Script Preparation code:

var n = 10000000

Tests:

Dynamic
const arr = []; for (let i = 0; i < n; i++) { arr.push(i); }
Pre Allocated
const arr = new Array(n); for (let i = 0; i < n; i++) { arr[i] = i; }