Run results for: generator vs array

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 18_5_0 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/138.0.7204.33 Mobile/15E148 Safari/604.1

Browser: Chrome Mobile iOS 138

Operating system: iOS 18.5.0

Device Platform: Mobile

Date tested: one year ago

array

4K/s

generator

2K/s

View exact numbers

Test name	Executions per second
✓ array	4,132 Ops/sec
generator	2,050 Ops/sec

Tests:

generator
function* range(n) { var i; for (i = 0; i < n; i++) { yield n; } } let total = 0; for (let ii of range(100000)) { total += ii; }
array
function range(n) { let arr = []; for (i = 0; i < n; i++) { arr.push(i); } return arr; } let total = 0; for (let ii of range(100000)) { total += ii; }