Run results for: array.fill VS array.push

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36

Browser: Chrome 137

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

array.fill

4K/s

array.push

2K/s

View exact numbers

Test name	Executions per second
✓ array.fill	3,893 Ops/sec
array.push	1,514 Ops/sec

Tests:

array.push
const array = []; const n = 100000; for (let i = 0; i < n; i++) { array.push('#123456'); }
array.fill
const n = 100000; const array = Array(n).fill('#123456');