Benchmark: Filter vs for - MeasureThat.net

Script Preparation code:

window.parentObj = [];

for (let i = 0; i < 1000; i++) {
  window.parentObj.push(Math.floor(Math.random() * 4294967295));
}

Tests:

Filter
const newObj = window.parentObj.filter(n => n % 2);
for of
const newObj = []; for (const n of window.parentObj) { if ((n % 2) === 0) { newObj.push(n); } }

Rendered benchmark preparation results:

Previous results

Test case name	Result
Filter
for of

Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36

Browser/OS: Chrome 130 on Linux

Filter

73K/s

for of

66K/s

View exact numbers

Test name	Executions per second
✓ Filter	72,990 Ops/sec
for of	66,474 Ops/sec

Filter vs for (version: 1)