Benchmark: dose Lodash _.union vs native Set()

HTML Preparation code:

<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 as = new Set(a)
var bs = new Set(b)

Tests:

_.union
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 = Array.from(c)
Set union
var c = as.union(bs)

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
_.union
Set()
Set() convert back to array
Set union

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36

Browser/OS: Chrome 131 on Windows

View result in a separate tab

Set()

15.3M/s

Set union

12.8M/s

Set() convert back to array

11.7M/s

_.union

5.4M/s

View exact numbers

Test name	Executions per second
✓ Set()	15,265,948 Ops/sec
Set union	12,829,269 Ops/sec
Set() convert back to array	11,734,937 Ops/sec
_.union	5,411,672 Ops/sec

dose Lodash _.union vs native Set() (version: 1)

Comparing performance of: `_.union vs Set() vs Set() convert back to array vs Set union`

Created: one year ago by: Guest

Go to the latest result

_.union

Set()

Set() convert back to array

Set union

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

dose Lodash _.union vs native Set() (version: 1)

Comparing performance of: _.union vs Set() vs Set() convert back to array vs Set union

Created: one year ago by: Guest

Go to the latest result

_.union

Set()

Set() convert back to array

Set union

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

Related benchmarks

Comparing performance of: `_.union vs Set() vs Set() convert back to array vs Set union`