Run results for: Plain js vs OmitBy

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36

Browser: Chrome 123

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
Plain Js	836439.1 Ops/sec
LoDash OmitBy	1443849.4 Ops/sec

HTML Preparation code:

<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.11/lodash.js"></script>

Script Preparation code:

var basePalette = {
  black: undefined,
  green: null,
  orange: 'orange',
  red: null,
  darkRed: 'darkRed',
  blue: 'blue',
  lightBlue: 'lightBlue',
  navy: 'navy'
}

Tests:

Plain Js
const isNull = a => !Boolean(a) const omitBy = (obj, check) => { obj = { ...obj } Object.entries(obj).forEach(([key, value]) => check(value) && delete obj[key]) return obj } omitBy(basePalette, isNull)
LoDash OmitBy
_.omitBy(basePalette, _.isNullable )

Run results for: Plain js vs OmitBy

Testing LoDash's omitBy agains plain js

Plain Js

LoDash OmitBy