Run results for: compare the ways to generate an array filled with empty objects for iteration

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/132.0.0.0 Safari/537.36

Browser: Chrome 132

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 months ago

Tests:

Array.apply(null, Array(n))
Array.apply(null, Array(1000)).map((item, i) => {});
[...Array(n)]
[...Array(1000)].map((item, i) => {});
Array(n).fill(null)
Array(1000).fill(null).map((item, i) => {});
Array.from({ length: n })
Array.from({ length: 1000 }).map((item, i) => {});
Array.from({ length:n }, (item, i) => i)
Array.from({ length:1000 }, (item, i) => {});
Array.push
const arr = [] for (let i = 0; i < 1000; ++i) arr.push({})
Array with length + push
const arr = new Array(1000); for (let i = 0; i < 1000; ++i) arr.push({})