Run results for: Lodash Flatten vs Array.flat()

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/140.0.0.0 Safari/537.36

Browser: Chrome 140

Operating system: Windows

Device Platform: Desktop

Date tested: 11 months ago

Benchmark engine: Benchmark.js

array flat

166K/s

lodash flatten

106K/s

View exact numbers

Test name	Executions per second
✓ array flat	165,892 Ops/sec
lodash flatten	106,219 Ops/sec

HTML Preparation code:


<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>

Tests:

array flat
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 = _.flatten([arrayA, arrayB]); console.log(flattened);