Run results for: generator vs array

Run details:

User agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:151.0) Gecko/20100101 Firefox/151.0

Browser: Firefox 151

Operating system: Ubuntu

Device Platform: Desktop

Date tested: one month ago

array

953/s

generator

172/s

View exact numbers

Test name	Executions per second
✓ array	953 Ops/sec
generator	172 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; }