Test name | Executions per second |
---|---|
_.union | 1875063.6 Ops/sec |
Set() | 2472246.2 Ops/sec |
Set() convert back to array | 2518006.2 Ops/sec |
<script type="text/javascript" src="https://cdn.jsdelivr.net/npm/lodash@4.17.10/lodash.min.js"></script>
var a = [1, 2, 3, 4, 5]
var b = [3, 4, 5, 6, 7]
var c = _.union(a, b)
var c = new Set(a, b)
var c = new Set(a, b)
var d = c.has(3)