Run results for: _.pickBy vs native

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 16_6 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/122.0.6261.62 Mobile/15E148 Safari/604.1

Browser: Chrome Mobile iOS 122

Operating system: iOS 16.6

Device Platform: Mobile

Date tested: 2 years ago

Benchmark engine: Benchmark.js

_.pickBy

8K/s

native

5K/s

soy

5K/s

View exact numbers

Test name	Executions per second
✓ _.pickBy	8,496 Ops/sec
native	4,836 Ops/sec
soy	4,736 Ops/sec

HTML Preparation code:


<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>

Script Preparation code:

var obj = Array(1000)
  .fill()
  .reduce((acc, curr, i) => {
    acc[i] = i;
    return acc;
  }, {});
var predicate = v => v % 2 === 0;

Tests:

_.pickBy
_.pickBy(obj, predicate);
native
Object.entries(obj).reduce((acc, [k, v]) => { if (predicate(v)) acc[k] = v; return acc; }, {});
soy
Object.fromEntries(Object.entries(obj).filter(([k, v]) => predicate(v)));