Run results for: lodash difference vs ES6 Set (large data set)

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.0.0 Safari/537.36

Browser: Chrome 108

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
_difference	65.2 Ops/sec
Set/Filter	63.7 Ops/sec

HTML Preparation code:

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

AخA
 
<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 < 50000; i++) {
  arr1.push('' + i);
}

var arr2 = [];
for(let i = 4990; i >= 0; i--) {
  arr2.push('' + i);
}

​x
 
var arr1 = [];for(let i = 0; i < 50000; i++) {  arr1.push('' + i);}​var arr2 = [];for(let i = 4990; i >= 0; i--) {  arr2.push('' + i);}

Tests:

_difference
const finalArray = _.difference(arr2, arr1)
const finalArray = _.difference(arr2, arr1)
Set/Filter
const outList = new Set([...arr1]); const finalArray = arr2.filter(value => !outList.has(value));
const outList = new Set([...arr1]);
const finalArray = arr2.filter(value => !outList.has(value));