Run results for: deep clone - lodash vs ramda vs json

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36

Browser: Chrome 121

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

ramda - clone

2.1M/s

lodash - cloneDeep

1.5M/s

json - parse/stringify

688K/s

View exact numbers

Test name	Executions per second
✓ ramda - clone	2,148,335 Ops/sec
lodash - cloneDeep	1,469,523 Ops/sec
json - parse/stringify	687,985 Ops/sec

HTML Preparation code:

<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/ramda/0.25.0/ramda.min.js"></script>

Script Preparation code:

var obj = {
  author: 'Jason Carmona',
  fieldNumber: 112050642,
  nestedObject: {
    funFact1: 'You burn more calories sleeping than you do watching television',
    funFact2: 'The average person spends 6 months of their lifetime waiting on a red light to turn green',
  	funFact3: 'There are more possible iterations of a game of chess than there are atoms in the known universe',
  	funFact4: 'Coca-Cola would be green if coloring wasn’t added to it',
  	funFact5: 'You cannot snore and dream at the same time'
  }
};

var objCopy = null;

Tests:

lodash - cloneDeep
objCopy = _.cloneDeep(obj);
json - parse/stringify
objCopy = JSON.parse(JSON.stringify(obj));
ramda - clone
objCopy = R.clone(obj);