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

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/136.0.0.0 Safari/537.36

Browser: Chrome 136

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

spread

53.3M/s

lodash clone

11.4M/s

structuredClone

521K/s

ramda clone

95K/s

View exact numbers

Test name	Executions per second
✓ spread	53,284,460 Ops/sec
lodash clone	11,366,436 Ops/sec
structuredClone	520,756 Ops/sec
ramda clone	94,762 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)