Run results for: lodash flatten vs spread not broken

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/72.0.3626.121 Safari/537.36

Browser: Chrome 72

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
spread	66727.0 Ops/sec
lodash flatten	71703.2 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 = []; const sourceObject = [ arrayA, arrayB ]; sourceObject.forEach((array) => { flattened.push(...array) }); 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);