Run results for: Add a lot of elements to array: push vs destructuring

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/136.0.0.0 Safari/537.36

Browser: Chrome 136

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Push

31K/s

spread operator

25K/s

View exact numbers

Test name	Executions per second
✓ Push	31,247 Ops/sec
spread operator	25,096 Ops/sec

Tests:

spread operator
const before = Array(10000).fill('before') const after = Array(10000).fill('after') const other = [ ...before, ...after ]
Push
const before = Array(10000).fill('before') const after = Array(10000).fill('after') before.push(...after)