Run results for: Array immutable union: lodash union vs object.assign vs unique

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.88 Safari/537.36

Browser: Chrome 87

Operating system: Mac OS X 10.13.6

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
lodash union	1114796.4 Ops/sec
lodash uniq spread	1742021.1 Ops/sec

HTML Preparation code:


<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>

Tests:

lodash union
var a = [ 'a', 'b', 'c', 'b', 'd', 'a', 'e', 'f' ]; var b = [ 'b', 'd', 'a', 'e', 'f' ]; var c = _.union(a);
lodash uniq spread
var a = [ 'a', 'b', 'c', 'b', 'd', 'a', 'e', 'f' ]; var b = [ 'b', 'd', 'a', 'e', 'f' ]; var c = _.uniq(a);