Run results for: set for-of vs iterator

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Browser: Chrome 126

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

iter

426K/s

for of

15K/s

View exact numbers

Test name	Executions per second
✓ iter	426,408 Ops/sec
for of	14,633 Ops/sec

Script Preparation code:

var arr = [];
while(arr.length < 1000) arr.push(Math.random()*100000);
var set = new Set(arr);

Tests:

for of
for(v of set) { let a = v / 2; }
iter
let iter = set.values(); let item = iter.next(); while(!item.done){ let a = item.value / 2; item = iter.next(); }