Run results for: delete vs spread without vs spread override 2

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; RMX1911) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/94.0.4606.85 Mobile Safari/537.36

Browser: Chrome Mobile 94

Operating system: Android

Device Platform: Mobile

Date tested: 2 years ago

Test name	Executions per second
delete	403872.4 Ops/sec
spread without	357393.6 Ops/sec
spread override	1509681.2 Ops/sec

Script Preparation code:

var query = {
    dates: [],
    latestDate: 'whatever'
};
var query2 = {
    current: {
        query: {
            dates: [1, 2, 3],
            latestDate: 'whatever2'
        }
    }
}

Tests:

delete
let storeQuery = { ...query }; let latestQuery = { ...query2.current?.query }; delete storeQuery.latestDate; delete latestQuery.latestDate;
spread without
const { latestDate: remove, ...storeQuery } = query; const { latestDate: remove1, ...latestQuery } = query2.current?.query || {};
spread override
const storeQuery = { ...query, latestDate: null }; const latestQuery = { ...query2.current?.query, latestDate: null };