Benchmark: Custom Lydnon Lodash cloneDeep vs JSON

HTML Preparation code:

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

Script Preparation code:

var MyObject = {
  "id": 122,
  "name": "regressiontime",
  "entity_type": "Export",
  "entity_id": 517478,
  "agent_type": "PrinterAccountFormat",
  "agent_id": 107,
  "permalink": null,
  "details": {
    "artwork_details": {
      "qty": "100",
      "stock": "high gloss",
      "thumbnail_url": "http://local.awsdev.net:3000/assets/no_thumbnail-f42bbe0032da84ef7721eafc77a6a1ae3ff30c1e0c7f24f811e26fe8f71b0332.png",
      "name": "1576021552_Poster_A1_Print.pdf",
      "format": "A1 Print",
      "size": "608.82 x 855.82 (mm)",
      "color": "Process CYMK",
      "price": 45
    },
    "invoice_details": {
      "email": "lyndon@outfit.io",
      "phone": "0400 000 000",
      "address": "17, South Brisbane, QLD, 4101",
      "company": "outfitio",
      "cc_email": "",
      "invoice_to": "lyndon"
    },
    "additional_notes": {
      "_notes": ""
    },
    "delivery_details": {
      "email": "lyndon@outfit.io",
      "phone": "0400 000 000",
      "address": "17, South Brisbane, QLD, 4101",
      "company": "outfitio",
      "cc_email": "",
      "invoice_to": "lyndon"
    },
    "printer_details": {
      "printer": "Ash's Print Shop",
      "email": [
        "ashley+1000@outfit.io"
      ],
      "copied": [],
      "phone": "0458209203",
      "address": "46 raleigh street\nSpringwood QLD \nAustralia",
      "notes": null
    }
  },
  "name_or_id": "regressiontime",
  "parent_id": null,
  "delivery_items": [],
  "project_id": 67169
}

var myCopy = null;

Tests:

Lodash cloneDeep
myCopy = _.cloneDeep(MyObject);
Json clone
myCopy = JSON.parse(JSON.stringify(MyObject));

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Lodash cloneDeep
Json clone

Fastest: N/A

Slowest: N/A

Latest run results:

No previous run results

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Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):

LLMs can make mistakes. Check important info.

Let's dive into the world of microbenchmarks and explore what's being tested on this provided JSON.

**Benchmark Definition:**

The benchmark is comparing two approaches for creating a deep copy of an object: using Lodash's `cloneDeep` function (`Lodash cloneDeep`) versus using JavaScript's built-in `JSON.parse(JSON.stringify())` method (`Json clone`).

**What are the options being compared?**

1. **Lodash cloneDeep**: A popular utility library that provides various functions for manipulating data, including deep cloning.
2. **JSON.parse(JSON.stringify())**: A built-in JavaScript method that creates a new object by recursively copying all properties from an existing object.

**Pros and Cons of each approach:**

**Lodash cloneDeep:**

Pros:

* Faster execution times due to optimized implementation
* Supports more complex data structures, such as arrays and objects with circular references
* Easier to use and understand for developers familiar with Lodash

Cons:

* Requires including an additional library (Lodash) in the build process
* May have dependencies on other libraries or modules

**JSON.parse(JSON.stringify()):**

Pros:

* No external dependencies required
* Can be used as a simple, lightweight alternative for basic cloning needs
* Built-in and widely supported by most browsers

Cons:

* Can be slower due to the overhead of parsing JSON strings
* May not work correctly with complex data structures or circular references

**Other considerations:**

* The benchmark is executed on Firefox 72 on Windows Desktop.
* The `ExecutionsPerSecond` value indicates how many executions are performed per second, which can affect the overall performance result.

**Library and syntax explanations:**

* Lodash is a JavaScript utility library that provides various functions for manipulating data, including deep cloning. It's widely used in the JavaScript community and has an extensive set of features.
* `JSON.parse(JSON.stringify())` uses the JSON stringification method to create a new object by recursively copying all properties from the original object.

**Special JS feature or syntax:**

None mentioned in this benchmark.

**Alternatives:**

If you need alternative cloning methods, you can consider using:

* `Array.prototype.slice()`: Creates a shallow copy of an array.
* `Object.assign()`: Creates a new object by copying all own properties from one or more source objects.
* `immer`: A library for creating immutable data structures.

Keep in mind that the best approach depends on your specific use case, performance requirements, and personal preferences.

Related benchmarks:

Custom Lydnon Lodash cloneDeep vs JSON (version: 0)

Comparing performance of: Lodash cloneDeep vs Json clone

Created: 6 years ago by: Guest

Jump to the latest result

Lodash cloneDeep

Json clone

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

No previous run results

Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):