Run results for: _.pickBy vs native vs ES6 Filter

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36

Browser: Chrome 137

Operating system: Linux

Device Platform: Desktop

Date tested: 10 months ago

Test name	Executions per second
Lodash pickBy	16721.5 Ops/sec
Native Filter	41455.7 Ops/sec
ES6 Filter	64139.5 Ops/sec

Script Preparation code:

var obj = {};
for (let i = 0; i < 1000; i++) {
    const randomNum = Math.floor(Math.random() * 4);
    obj[i.toString()] =
        randomNum === 0 ? "undefined" : randomNum === 1 ? false : true;
}

Tests:

Lodash pickBy
_.pickBy(obj);
Native Filter
function pickBy(object) { const obj = {}; for (const key in object) { if (object[key]) { obj[key] = object[key]; } } return obj; } pickBy(obj)
ES6 Filter
Object.keys(obj).filter(key => { if (obj[key]) return obj[key] })

Run results for: _.pickBy vs native vs ES6 Filter

Lodash pickBy

Native Filter

ES6 Filter