Test name | Executions per second |
---|---|
_.union | 5411672.0 Ops/sec |
Set() | 15265948.0 Ops/sec |
Set() convert back to array | 11734937.0 Ops/sec |
Set union | 12829269.0 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 as = new Set(a)
var bs = new Set(b)
var c = _.union(a, b)
var c = new Set(a, b)
var c = new Set(a, b)
var d = Array.from(c)
var c = as.union(bs)