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Run results for: unique elements in array using filter fork

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Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.0.0 Safari/537.36
Chrome 112
Windows
Desktop
2 years ago
Test name Executions per second
_.uniq 7488823.0 Ops/sec
set 4558792.0 Ops/sec
uniq by filter 11005329.0 Ops/sec
uniq by qiankun 3121433.8 Ops/sec
HTML Preparation code:
AخA
 
1
<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.11/lodash.js"></script>
Script Preparation code:
 
var elements = [1,2,3,1,2,4,2,3,5,3]
Tests:

  • _.uniq

     
    _.uniq(elements)

  • set

     
    [...new Set(elements)]

  • uniq by filter

     
    elements.filter((v, i, a) => a.indexOf(v) === i)

  • uniq by qiankun

     
    elements.filter(function filter(element) {
        return element in this ? false : ((this)[element] = true);
      }, Object.create(null));