Run results for: array pre alloc n

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.131 Safari/537.36

Browser: Chrome 92

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Tests:

none
const n = 100; function getRandomInt(max) { return Math.floor(Math.random() * max); } const arr = []; for(let i = 0; i < n; ++i) { arr.push(getRandomInt(1000)) }
new
const n = 100; function getRandomInt(max) { return Math.floor(Math.random() * max); } const arrPre = new Array(n); for(let i = 0; i < n; ++i) { arrPre[i] = getRandomInt(1000) }
length
const n = 100; function getRandomInt(max) { return Math.floor(Math.random() * max); } const arrLen = []; arrLen.length = n; for(let i = 0; i < n; ++i) { arrLen[i] = getRandomInt(1000) }