Run results for: Defining consts vs putting directly to object result

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.139 Safari/537.36

Browser: Chrome 66

Operating system: Windows

Device Platform: Other

Date tested: 5 years ago

Test name	Executions per second
Assigning directly	7494744.0 Ops/sec
Using variables	7357517.0 Ops/sec

Tests:

Assigning directly
const arr = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10] const newArr = arr.map(num => ({ cube: num * num * num, square: num * num, orig: num, }))
Using variables
const arr = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10] const newArr = arr.map(num => { const cube = num * num * num const square = num * num const orig = num return { cube, square, orig } })