Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 11_1_0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.88 Safari/537.36
Chrome 87
Mac OS X 11.1.0
Desktop
3 years ago
Test name Executions per second
`Array.slice(0, N)` 9173980.0 Ops/sec
`Array.length = N` 8424774.0 Ops/sec
`Object.assign([], arr)` with `Array.length = N` 243490.8 Ops/sec
Script Preparation code:
Tests:
  • `Array.slice(0, N)`

  • `Array.length = N`

  • `Object.assign([], arr)` with `Array.length = N`