Run results for: generator vs array

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36 OPR/114.0.0.0 (Edition developer)

Browser: Opera 114

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

array

3K/s

generator

591/s

View exact numbers

Test name	Executions per second
✓ array	2,514 Ops/sec
generator	591 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; }