Run results for: Lodash _.union vs native Set() (accurate)

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36

Browser: Chrome 125

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 10 months ago

Test name	Executions per second
_.union	3418568.0 Ops/sec
spread to Set()	4079332.5 Ops/sec
spread to Set() and spread again	3878396.2 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:

_.union
var c = _.union(a, b)
var c = _.union(a, b)
spread to Set()
var c = new Set([...a, ...b])
var c = new Set([...a, ...b])
spread to Set() and spread again
var c = new Set([...a, ...b]) var d = [...c]
var c = new Set([...a, ...b])
var d = [...c]