Benchmark: unique elements in array using filter with 20000 items

HTML Preparation code:

<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.11/lodash.js"></script>

Script Preparation code:

var firstEqual = [];
var secondEqual = [];

for (var i=0; i<=10000; i++) {
  firstEqual.push(i);
  secondEqual.push(i);
}

var elements = [...firstEqual, ...secondEqual];

Tests:

_.uniq
_.uniq(elements)
set
[...new Set(elements)]
uniq by filter
elements.filter((v, i, a) => a.indexOf(v) === i)

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
_.uniq
set
uniq by filter

Fastest: N/A

Slowest: N/A

Latest run results:

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unique elements in array using filter with 20000 items (version: 0)

Comparing performance of: _.uniq vs set vs uniq by filter

Created: 5 years ago by: Guest

Jump to the latest result

_.uniq

set

uniq by filter

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

No previous run results