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Run results for:
Array vs. Set Intersection #2
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Run details:
User agent:
Mozilla/5.0 (X11; Linux x86_64; rv:134.0) Gecko/20100101 Firefox/134.0
Browser:
Firefox 134
Operating system:
Linux
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
Javascript Set intersection
5567094.5 Ops/sec
Array intersection
12055970.0 Ops/sec
HTML Preparation code:
<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>
Script Preparation code:
var first = [1, 3, 4, 5, 7]; var second = [2, 3, 5, 6]; var firstSet = new Set(first); var secondSet = new Set(second);
Tests:
Javascript Set intersection
new Set([...firstSet].filter(item => secondSet.has(item)));
Array intersection
first.filter(item => second.includes(item));