Run results for: Lodash difference vs Filter

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:109.0) Gecko/20100101 Firefox/110.0

Browser: Firefox 110

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: 2 years ago

HTML Preparation code:

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

Script Preparation code:

var arr1 = [];
for(let i = 0; i < 10000; i++) {
  arr1.push('' + i);
}

var arr2 = [];
for(let i = 490; i >= 0; i--) {
  arr2.push('' + i);
}

Tests:

Lodash : small base
const notInArr1 = _.difference(arr2, arr1)
Set & Filter: small base
const notInArr1 = arr2.filter(value => !arr1.includes(value));
Set & Filter: large base
const notInArr2 = arr1.filter(value => !arr2.includes(value));
Lodash: large base
const notInArr2 = _.difference(arr1, arr2)