Run results for: Map&filter VS reduce

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.97 Safari/537.36

Browser: Chrome 83

Operating system: Mac OS X 10.14.6

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
map + filter	2349.5 Ops/sec
reduce	2201.2 Ops/sec

Script Preparation code:


var arr = [];
for(i=0; i<10000; i++){
  arr.push(i);
}

Tests:

map + filter
arr.map((item) => { return { id: item, name: item, } }).filter(item => item.id % 5 !== 0)
reduce
arr.reduce((acc, item) => { if(item % 5 !== 0) { acc.push({ id: item, name: item}); } return acc; }, []);