Run results for: Object reduction

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: 3 months ago

Script Preparation code:

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

Tests:

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