Run results for: map/join vs reduce objects

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/141.0.0.0 Safari/537.36

Browser: Chrome 141

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 9 months ago

reduce

30.4M/s

map/join

12.7M/s

View exact numbers

Test name	Executions per second
✓ reduce	30,426,218 Ops/sec
map/join	12,721,737 Ops/sec

Tests:

map/join
const users = [{name: "Alex", age: 27 }, {name: 'Tom', age: 19}, {name: 'Andrew', age: 33}, {name: 'Steve', age: 13}]; const userNames = users.map(user => user.name).join(', ');
reduce
const users = [{name: "Alex", age: 27 }, {name: 'Tom', age: 19}, {name: 'Andrew', age: 33}, {name: 'Steve', age: 13}]; const userNames = users.reduce((acc, val) => acc + ', ' + val.name, '');