Run results for: Array push vs concat vs push + flat

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:140.0) Gecko/20100101 Firefox/140.0

Browser: Firefox 140

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: one year ago

Push

49.4M/s

Array.prototype.concat

40.3M/s

push + flat

32.2M/s

View exact numbers

Tests:

Array.prototype.concat
const params = [ "hello", true, 7 ]; const other = [ 1, 2 ].concat(params);
push + flat
const items = []; const params = [ "hello", true, 7 ] items.push(params) const other = items.flat()
Push
const params = [ "hello", true, 7 ]; const other = [ 1, 2 ].push(...params);