Run results for: generator vs array

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 17_1_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.1.1 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 17

Operating system: iOS 17.1.1

Device Platform: Mobile

Date tested: 2 years ago

array

3K/s

generator

2K/s

View exact numbers

Test name	Executions per second
✓ array	2,616 Ops/sec
generator	1,757 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; }