Run results for: Object reduction with conversion back

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:129.0) Gecko/20100101 Firefox/129.0

Browser: Firefox 129

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

3K/s

Spread/delete

2K/s

View exact numbers

Test name	Executions per second
✓ A	2,861 Ops/sec
Spread/delete	1,851 Ops/sec

Script Preparation code:

var data = {
    ...Array.from(Array(10000).keys())
};
var idsToRemove = [1, 47, 420, 421, 69, 1000, 2000, 2001, 8765, 10000];

Tests:

A
Object.fromEntries(Object.entries(data).filter(([k, v]) => { !idsToRemove.includes(k); }));
Spread/delete
var newObjs = { ...data }; idsToRemove.forEach((id) => { delete newObjs[id]; });