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

Run details:

User agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:144.0) Gecko/20100101 Firefox/144.0

Browser: Firefox 144

Operating system: Ubuntu

Device Platform: Desktop

Date tested: 9 months ago

Push

564/s

spread operator

297/s

View exact numbers

Test name	Executions per second
✓ Push	564 Ops/sec
spread operator	297 Ops/sec

Tests:

spread operator
const before = Array(100000).fill('before') const after = Array(100000).fill('after') const other = [ ...before, ...after ]
Push
const before = Array(100000).fill('before') const after = Array(100000).fill('after') const other = before.slice().push(...after)