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Run results for:
lodash flatten vs array.flat
lodash flatten vs spread
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=617828" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:141.0) Gecko/20100101 Firefox/141.0
Browser:
Firefox 141
Operating system:
Mac OS X 10.15
Device Platform:
Desktop
Date tested:
7 months ago
Test name
Executions per second
spread
326078.4 Ops/sec
lodash flatten
313504.5 Ops/sec
HTML Preparation code:
<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>
Tests:
spread
const arrayA = ['hi', 'hi', 'hi', 'hi']; const arrayB = ['hi', 'hi', 'hi', 'hi']; const flattened = [ arrayA, arrayB ].flat(); console.log(flattened);
lodash flatten
const arrayA = ['hi', 'hi', 'hi', 'hi']; const arrayB = ['hi', 'hi', 'hi', 'hi']; const flattened = []; const sourceObject = [ arrayA, arrayB ]; sourceObject.forEach((array) => { flattened.push(array) }); _.flatten(flattened); console.log(flattened);