Run results for: for-push vs for-noop vs flatMap

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.3 Safari/605.1.15

Browser: Safari 16

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Script Preparation code:

var arr = Array.from({length: 10_000}, () => Math.floor(Math.random() * 2));

Tests:

for-noop
for (var i = 0; i < arr.length; i++) {}
for-push
var result = []; for (var i = 0; i < arr.length; i++) { var item = arr[i]; if (item !== 0) { result.push(item); } }
flatMap
arr.flatMap((x) => (x !== 0 ? [x] : []));