Run results for: filter_map vs reduce 2

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.36

Browser: Chrome 116

Operating system: Windows

Device Platform: Desktop

Date tested: 9 months ago

Test name	Executions per second
reduce	328225.6 Ops/sec
filter_map	194722.3 Ops/sec

Script Preparation code:

arr = [];
for (let i = 0; i < 1000; ++i) {
  arr.push({
    foo: Math.random() > 0.5,
    bar: Math.round(Math.random() * 100),
  });
}

Tests:

reduce
const result = arr.reduce((acc, item) => { if (!item.foo) { acc.push(item.bar); } return acc; }, []);
filter_map
const result = arr .filter((item) => !item.foo) .map((item) => item.bar);