Benchmark: <script src='https://cdn.jsdelivr.net/npm/lodash@4.17.10/lodash.min.js'></script>

Tests:

Uniq
var u = [1, 2, 3, 4, 5, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7]; return _.uniq(u);
Set
var s = new Set([1, 2, 3, 4, 5, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7]); return s;

Rendered benchmark preparation results:

Previous results

Test case name	Result
Uniq
Set

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Latest run results:

Run details: (Test run date: 2 years ago)

User agent: Mozilla/5.0 (X11; CrOS x86_64 14092.77.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.107 Safari/537.36

Browser/OS: Chrome 93 on Chrome OS 14092.77.0

Test name	Executions per second
Uniq	851049.1 Ops/sec
Set	506498.2 Ops/sec

<script src='https://cdn.jsdelivr.net/npm/[email protected]/lodash.min.js'></script> (version: 0)