Run results for: Iterators vs Arrays

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36

Browser: Chrome 133

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Iterator

37K/s

Arrays

32K/s

View exact numbers

Test name	Executions per second
✓ Iterator	37,225 Ops/sec
Arrays	31,646 Ops/sec

HTML Preparation code:

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Tests:

Arrays
const arr = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20]; arr.filter(n => n % 2 === 0).map(n => ({ result: n })).forEach(n => console.log("n = ", n));
Iterator
const arr = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20]; const iterator = Iterator.from(arr); iterator.filter(n => n % 2 === 0).map(n => ({ result: n })).forEach(n => console.log("n = ", n));