Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.0.0 Safari/537.36
Chrome 111
Windows
Desktop
2 years ago
Test name Executions per second
_.union 1875063.6 Ops/sec
Set() 2472246.2 Ops/sec
Set() convert back to array 2518006.2 Ops/sec
HTML Preparation code:
AخA
 
1
<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]
Tests:
  • _.union

    x
     
    var c = _.union(a, b)
  • Set()

     
    var c = new Set(a, b)
  • Set() convert back to array

     
    var c = new Set(a, b)
    var d = c.has(3)