Run results for: map+join vs concat2

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36

Browser: Chrome 114

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
app 1	109262.2 Ops/sec
app 2	102214.4 Ops/sec

Tests:

app 1
const a = [{ p1: 'test1', p2: 'test2' }, { p1: 'test3', p2: 'test4' }, { p1: 'test ', p2: 'test s' }, { p1: 'test asd', p2: 'test asdasd' }, { p1: 'test a454', p2: 'test 45efds' }, { p1: 'test adas', p2: 'test 56' }]; let op = '' a.forEach((p, index)=>{ op += `${p.p1} - ${p.p2}${index===a.length-1? '': '\n'}`; }); console.log(op);
app 2
const a = [{ p1: 'test1', p2: 'test2' }, { p1: 'test3', p2: 'test4' }, { p1: 'test ', p2: 'test s' }, { p1: 'test asd', p2: 'test asdasd' }, { p1: 'test a454', p2: 'test 45efds' }, { p1: 'test adas', p2: 'test 56' }]; let op = a.map((e) => `${e.p1} -${e.p2}`).join('\n') console.log(op);