Run results for: lodash clonedeep vs json.parse() an already stringified object

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

JSON.parse on already stringified object

2.4M/s

CloneDeep

1.8M/s

View exact numbers

Test name	Executions per second
✓ JSON.parse on already stringified object	2,364,640 Ops/sec
CloneDeep	1,808,201 Ops/sec

HTML Preparation code:

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

Script Preparation code:

var obj = {
  description: 'Creates a deep copy of source, which should be an object or an array.',
  myNumber: 123456789,
  myBoolean: true,
  jayson: {
    stringify: 'JSON.stringify() method converts a JavaScript value to a JSON string....',
    parse: 'JSON.parse() method parses a JSON string...'
  }
}

var str = JSON.stringify(obj)

Tests:

CloneDeep
_.cloneDeep(obj)
JSON.parse on already stringified object
JSON.parse(str)

Run results for: lodash clonedeep vs json.parse() an already stringified object

Comparing lodash clonedeep vs json.parse() an already stringified object

CloneDeep

JSON.parse on already stringified object