Run results for: push vs push.apply vs const push spread vs let push spread vs reassign spread

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.55 Safari/537.36

Browser: Chrome 96

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Tests:

push
let a = []; for (let i = 0; i < 1000; i += 1) { const values = [i, 10000 + i, 100000 + i]; values.forEach(value => { a.push(value); }); } console.log(a);
push.apply
let a = []; for (let i = 0; i < 1000; i += 1) { const values = [i, 10000 + i, 100000 + i]; Array.prototype.push.apply(a, values); } console.log(a);
const push spread
const a = []; for (let i = 0; i < 1000; i += 1) { const values = [i, 10000 + i, 100000 + i]; a.push(...values); } console.log(a);
reassign spread
let a = []; for (let i = 0; i < 1000; i += 1) { const values = [i, 10000 + i, 100000 + i]; a = [...a, ...values]; } console.log(a);
let push spread
let a = []; for (let i = 0; i < 1000; i += 1) { const values = [i, 10000 + i, 100000 + i]; a.push(...values); } console.log(a);