Run results for: array spread vs concat vs push in reduce

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.84 Safari/537.36

Browser: Chrome 68

Operating system: Mac OS X 10.13.6

Device Platform: Desktop

Date tested: 6 years ago

Tests:

spread
range = (min, max) => { const output = [] for(let x = min; x < max; x++){ output.push(x) } return output } range(0, 15000).reduce((acc, num) => [...acc, num], [])
concat
range = (min, max) => { const output = [] for(let x = min; x < max; x++){ output.push(x) } return output } range(0, 15000).reduce((acc, num) => acc.concat(num), [])
push
range = (min, max) => { const output = [] for(let x = min; x < max; x++){ output.push(x) } return output } range(0, 15000).reduce((acc, num) => { acc.push(num); return acc; }, [])