Run results for: reduce vs map and filter

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.0.0 Safari/537.36 Edg/108.0.1462.2

Browser: Chrome 108

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
reduce	11034570.0 Ops/sec
filter and map	20611062.0 Ops/sec

Tests:

reduce
var dogs = [ {name: 'Archie', breed: 'Lurcher', owner: 'Jack'}, {name: 'Charlie', breed: 'Pug', owner: 'John'}, {name: 'Buddy', breed: 'Pug', owner: 'Mike'} ] dogs = dogs.reduce((total, current) => current.breed === "Pug" ? [...total, current.owner] : total, []);
filter and map
var dogs = [ {name: 'Archie', breed: 'Lurcher', owner: 'Jack'}, {name: 'Charlie', breed: 'Pug', owner: 'John'}, {name: 'Buddy', breed: 'Pug', owner: 'Mike'} ] dogs = dogs.filter(dog => dog.breed === 'Pug').map(dog => dog.owner);