Benchmark: Lodash cloneDeep vs JSON Clone - cnm-test1

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": "5f9988088b56e2f00ca5d4c9",
    "index": 0,
    "guid": "c27109ed-fa2a-4507-b92a-3ec448888ecd",
    "isActive": false,
    "balance": "$1,179.30",
    "picture": "http://placehold.it/32x32",
    "age": 32,
    "eyeColor": "green",
    "name": "Ilene Hatfield",
    "gender": "female",
    "company": "HATOLOGY",
    "email": "ilenehatfield@hatology.com",
    "phone": "+1 (921) 551-2167",
    "address": "167 Douglass Street, Wadsworth, New Hampshire, 7775",
    "about": "Quis nisi ullamco anim Lorem ullamco Lorem amet et fugiat labore. Minim voluptate officia quis consectetur amet elit voluptate deserunt Lorem exercitation esse ut. Qui commodo culpa et dolore anim culpa aliquip commodo do reprehenderit. Lorem commodo sit eiusmod excepteur fugiat cupidatat incididunt ea duis ad dolor. Qui magna nisi do tempor.\r\n",
    "registered": "2015-07-28T08:24:54 -06:-30",
    "latitude": 0.918932,
    "longitude": 84.539539,
    "greeting": "Hello, Ilene Hatfield! You have 6 unread messages.",
    "favoriteFruit": "strawberry"
  }

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:

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

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Let's break down the provided benchmark definition and test cases.

**Benchmark Definition JSON**

The benchmark definition is a JSON object that contains metadata about the benchmark being tested. The key fields are:

* `Name`: A unique name for the benchmark, which in this case is "Lodash cloneDeep vs JSON Clone - cnm-test1".
* `Description`: An optional description of the benchmark, which is empty in this case.
* `Script Preparation Code` and `Html Preparation Code`: These are JavaScript code snippets that are executed before running the benchmark. In this case, they prepare an object (`MyObject`) for cloning.

**Individual Test Cases**

The test cases define two different approaches to clone a JavaScript object:

1. **Lodash CloneDeep**: The first test case uses Lodash's `cloneDeep` function to create a deep copy of `MyObject`.
	* Purpose: To test the performance of creating a deep copy of an object using Lodash.
2. **JSON Clone**: The second test case uses the `JSON.parse(JSON.stringify(MyObject))` syntax to create a shallow clone of `MyObject`.
	* Purpose: To test the performance of creating a shallow clone of an object using JSON.

**Pros and Cons**

Here are some pros and cons of each approach:

* **Lodash CloneDeep**
	+ Pros:
		- Creates a deep copy of the object, which can be useful in scenarios where objects need to be modified independently.
		- Reduces the risk of unintended side effects when modifying the original object.
	+ Cons:
		- May have higher performance overhead due to the use of Lodash's cloning function.
* **JSON Clone**
	+ Pros:
		- Fast and lightweight, as it only involves serializing and deserializing the JSON representation of the object.
		- Does not require additional libraries or dependencies.
	+ Cons:
		- Creates a shallow copy of the object, which may not be suitable for all use cases where deep copying is required.

**Library: Lodash**

Lodash is a popular JavaScript library that provides a collection of functional programming helpers. The `cloneDeep` function is part of Lodash's clone module and creates a deep copy of an object by recursively cloning its properties.

**Special JS Feature/Syntax**

The test case uses the `JSON.parse(JSON.stringify(MyObject))` syntax, which is a common idiom for creating a shallow clone of an object in JavaScript. This syntax relies on the fact that JSON serialization can preserve the structure and values of an object, but may not capture all aspects of its behavior (e.g., functions, setters, etc.).

**Other Alternatives**

If you need to create deep copies of objects, other alternatives to Lodash's `cloneDeep` include:

* Using the `Object.assign()` method with a custom copy function.
* Implementing your own recursive cloning function using a library like Recursion or clonejs.

For shallow clones, JSON serialization remains a simple and effective approach. However, keep in mind that it may not be suitable for all use cases where deep copying is required.

**Other Considerations**

When evaluating the performance of these two approaches, consider factors such as:

* The size and complexity of the objects being cloned.
* The frequency and scope of cloning operations.
* The specific requirements and constraints of your application.

Related benchmarks:

Lodash cloneDeep vs JSON Clone - cnm-test1 (version: 0)

Comparing performance of: Lodash cloneDeep vs Json clone

Created: 5 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):