Run results for: Deep clone comparison

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:133.0) Gecko/20100101 Firefox/133.0

Browser: Firefox 133

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

Lodash.cloneDeep()

2.0M/s

jQuery.extend(true)

1.8M/s

View exact numbers

Test name	Executions per second
✓ Lodash.cloneDeep()	2,006,083 Ops/sec
jQuery.extend(true)	1,793,526 Ops/sec

HTML Preparation code:

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.6.0/jquery.min.js" integrity="sha512-894YE6QWD5I59HgZOGReFYm4dnWc1Qt5NtvYSaNcOP+u1T9qYdvdihz0PPSiiqn/+/3e7Jo4EaG7TubfWGUrMQ==" crossorigin="anonymous" referrerpolicy="no-referrer"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.21/lodash.min.js" integrity="sha512-WFN04846sdKMIP5LKNphMaWzU7YpMyCU245etK3g/2ARYbPK9Ub18eG+ljU96qKRCWh+quCY7yefSmlkQw1ANQ==" crossorigin="anonymous" referrerpolicy="no-referrer"></script>

Tests:

Lodash.cloneDeep()
const arr1 = [ true, 1, "true", [], {}, function () {} ]; // Deep copies: true, 1, "true", [], {}, function () {} const arr2 = _.cloneDeep(arr1);
jQuery.extend(true)
const arr1 = [ true, 1, "true", [], {}, function () {} ]; // Deep copies: true, 1, "true", [], {}, function () {} const arr2 = jQuery.extend(true, [], arr1);