Run results for: `Array.slice(0, N)` vs `Array.length = N`

Run details:

User agent: Mozilla/5.0 (X11; CrOS x86_64 14816.131.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.0.0 Safari/537.36

Browser: Chrome 103

Operating system: Chrome OS 14816.131.0

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
`Array.slice(0, N)`	1675997.9 Ops/sec
`Array.length = N`	1586541.6 Ops/sec
`Object.assign([], arr)` with `Array.length = N`	48221.5 Ops/sec

Script Preparation code:

var arr = Array.from(Array(100).keys());

Tests:

`Array.slice(0, N)`
arr.slice(0, 20);
`Array.length = N`
arr.length = 20;
`Object.assign([], arr)` with `Array.length = N`
var newArr = Object.assign([], arr); newArr.length = 20;