Benchmark: Lodash cloneDeep vs JSON Clone vs Ramda Clone

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 MyObject = {
  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 myCopy = null;

Tests:

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

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Lodash cloneDeep
Json clone
Ramda clone

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36

Browser/OS: Chrome 130 on Windows

View result in a separate tab

Ramda clone

2.0M/s

Lodash cloneDeep

1.2M/s

Json clone

977K/s

View exact numbers

Test name	Executions per second
✓ Ramda clone	2,030,436 Ops/sec
Lodash cloneDeep	1,240,043 Ops/sec
Json clone	976,929 Ops/sec

Autogenerated LLM Summary (model llama3.1:latest, generated one year ago):

LLMs can make mistakes. Check important info.

Let's break down what's happening in this benchmark test.

**What's being tested?**

The benchmark is testing the performance of three different approaches to create a deep copy of an object: `Lodash cloneDeep`, `JSON.clone()`, and `Ramda clone`.

**What are the options being compared?**

1. **Lodash cloneDeep**: This approach uses the `_.cloneDeep()` function from the Lodash library, which creates a deep copy of an object.
2. **JSON.clone()**: This approach uses the `JSON.parse(JSON.stringify(obj))` method, which is a built-in JavaScript way to create a deep copy of an object by first stringifying it (converting it to a JSON string) and then parsing the resulting string back into an object.
3. **Ramda clone**: This approach uses the `R.clone()` function from the Ramda library, which also creates a deep copy of an object.

**Pros/Cons of each approach:**

1. **Lodash cloneDeep**:
	* Pros: Efficient and widely used, with good performance in most cases.
	* Cons: Requires including the Lodash library, which adds to the overall bundle size.
2. **JSON.clone()**:
	* Pros: Built-in JavaScript method, no external library required.
	* Cons: Can be slower than other approaches for large objects due to the overhead of stringification and parsing.
3. **Ramda clone**:
	* Pros: Another efficient approach with good performance, popular among functional programmers.
	* Cons: Requires including the Ramda library, like Lodash.

**Other considerations:**

When deciding which approach to use, consider factors such as:

* Performance requirements: If you need maximum speed, `Lodash cloneDeep` or `Ramda clone` might be a better choice. For smaller objects, `JSON.clone()` might suffice.
* Library bloat: If you're already including Lodash or Ramda for other purposes, using their cloning functions can reduce the overall bundle size.
* Readability and simplicity: `JSON.clone()` is often easier to read and understand, while `Lodash cloneDeep` and `Ramda clone` may require more familiarity with those libraries.

**Libraries used:**

* **Lodash**: A popular JavaScript utility library that provides a wide range of functions for tasks like cloning objects, working with arrays, and more.
* **Ramda**: Another well-known functional programming library for JavaScript, offering functions for tasks such as data transformation, filtering, and more.

No special JS features or syntax are used in this benchmark test. The code is straightforward, using standard JavaScript and the respective libraries' APIs.

**Other alternatives:**

If you're not comfortable with Lodash or Ramda, there are other options available:

* **JS-Copy-Deep**: A small, lightweight library specifically designed for cloning objects.
* **clone-deep**: Another popular alternative for cloning objects, built on top of the `JSON.parse(JSON.stringify(obj))` method.

These alternatives can help you achieve similar results to Lodash and Ramda while using your preferred approach or library.

Lodash cloneDeep vs JSON Clone vs Ramda Clone (version: 0) Benchmark.js

Comparing performance of: `Lodash cloneDeep vs Json clone vs Ramda clone`

Created: 8 years ago by: Guest

Go to the latest result

Lodash cloneDeep

Json clone

Ramda clone

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.1:latest, generated one year ago):

Lodash cloneDeep vs JSON Clone vs Ramda Clone (version: 0) Benchmark.js

Comparing performance of: Lodash cloneDeep vs Json clone vs Ramda clone

Created: 8 years ago by: Guest

Go to the latest result

Lodash cloneDeep

Json clone

Ramda clone

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.1:latest, generated one year ago):

Comparing performance of: `Lodash cloneDeep vs Json clone vs Ramda clone`