Run results for: Plain js vs OmitBy(2)

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 17_1_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.1.2 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 17

Operating system: iOS 17.1.2

Device Platform: Mobile

Date tested: 2 years ago

LoDash OmitBy

2.7M/s

Plain Js

1.1M/s

View exact numbers

Test name	Executions per second
✓ LoDash OmitBy	2,663,395 Ops/sec
Plain Js	1,117,800 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 isNullable = (obj) => obj === undefined || obj === null || (Array.isArray(obj) && obj.length < 1) const skipNullable = (obj) => { const temp = {} Object.keys(obj).forEach((key) => { if (isNullable(obj[key])) return temp[key] = obj[key] }) return temp } skipNullable(basePalette)
LoDash OmitBy
_.omitBy(basePalette, _.isNullable )

Run results for: Plain js vs OmitBy(2)

Testing LoDash's omitBy agains plain js

Plain Js

LoDash OmitBy