Run results for: Lodash vs. Set Difference Method

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36

Browser: Chrome 133

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one month ago

Test name	Executions per second
Lodash	7676334.0 Ops/sec
Set	4519926.5 Ops/sec

HTML Preparation code:

<script type="text/javascript" src="https://cdn.jsdelivr.net/npm/lodash@4.17.10/lodash.min.js"></script>

AخA
 
<script type="text/javascript" src="https://cdn.jsdelivr.net/npm/lodash@4.17.10/lodash.min.js"></script>

Script Preparation code:

var a = [1, 2, 3, 4, 5]
var b = [3, 4, 5, 6, 7]

 
var a = [1, 2, 3, 4, 5]var b = [3, 4, 5, 6, 7]

Tests:

Lodash
var c = _.difference(a, b)
var c = _.difference(a, b)

Set

 const set1 = new Set(a);
  const set2 = new Set(b);

  const unionSet = [...a, ...b];

  const uniqueNumbers = unionSet.filter(
    (num) => !(set1.has(num) && set2.has(num))
  );

​x
 
 const set1 = new Set(a);  const set2 = new Set(b);​  const unionSet = [...a, ...b];​  const uniqueNumbers = unionSet.filter(    (num) => !(set1.has(num) && set2.has(num))  );