Run results for: _.pickBy vs filter on array

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:125.0) Gecko/20100101 Firefox/125.0

Browser: Firefox 125

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

filter

200K/s

_.pickBy

8K/s

View exact numbers

Test name	Executions per second
✓ filter	199,883 Ops/sec
_.pickBy	7,718 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: