Run results for: object.keys vs entries + filtering

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Browser: Chrome 127

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
Object.entries + filtering	636651.2 Ops/sec
Object.keys + filtering	959155.8 Ops/sec

Script Preparation code:

var participants = {
    "14395101": {
        "hidden": false,
        "notificationPreference": "always"
    },
    "24580932": {
        "hidden": true,
        "notificationPreference": "always"
    },
    "31245789": {
        "hidden": false,
        "notificationPreference": "always"
    },
    "49801234": {
        "hidden": true,
        "notificationPreference": "always"
    },
    "56710248": {
        "hidden": false,
        "notificationPreference": "always"
    },
    "62378901": {
        "hidden": true,
        "notificationPreference": "always"
    },
    "78549210": {
        "hidden": false,
        "notificationPreference": "always"
    },
    "84792154": {
        "hidden": true,
        "notificationPreference": "always"
    },
    "91234560": {
        "hidden": false,
        "notificationPreference": "always"
    },
    "10345678": {
        "hidden": true,
        "notificationPreference": "always"
    }
};

Tests:

Object.entries + filtering
let participantsEntries = Object.entries(participants); const currentUserAccountID = 13; participantsEntries.filter(([accountID, participant]) => { if (Number(accountID) === currentUserAccountID) { return false; } if (participant.hidden) { return false; } return true; });
Object.keys + filtering
let participantsIDs = Object.keys(participants).map(Number); const currentUserAccountID = 13; participantsIDs.filter((accountID) => { if (accountID === currentUserAccountID) { return false; } if (participants[accountID].hidden) { return false; } return true; });

Run results for: object.keys vs entries + filtering

Object.entries + filtering

Object.keys + filtering