Run results for: lodash clone vs ramda clone vs spread vs structuredClone

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36

Browser: Chrome 137

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

spread

60.6M/s

lodash clone

39.3M/s

ramda clone

566K/s

structuredClone

470K/s

View exact numbers

Test name	Executions per second
✓ spread	60,584,668 Ops/sec
lodash clone	39,274,744 Ops/sec
ramda clone	566,465 Ops/sec
structuredClone	469,816 Ops/sec

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/npm/lodash@4.17.15/lodash.min.js"></script>
<script src="//cdn.jsdelivr.net/npm/ramda@0.25.0/dist/ramda.min.js"></script>

Script Preparation code:

var arr = new Array(10).fill({a:100, b:20000});

Tests:

spread
[...arr]
lodash clone
_.clone(arr)
ramda clone
R.clone(arr)
structuredClone
structuredClone(arr)