Benchmark: Lodash cloneDeep vs lodash clone123

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 = {
  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);
Lodash clone
myCopy = _.clone(MyObject);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Lodash cloneDeep
Lodash 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):

LLMs can make mistakes. Check important info.

I'll break down the provided JSON and explain what's being tested, the different approaches compared, their pros and cons, and other considerations.

**Benchmark Definition**

The benchmark is comparing two variants of Lodash's cloning functionality: `cloneDeep` and `clone`. The goal is to measure which one performs better in terms of execution speed.

**Script Preparation Code**

The script defines an object `MyObject` with some properties:
```javascript
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...'
  }
};
```
This object will be used as input for the cloning functionality being tested.

**Html Preparation Code**

The HTML code includes a script tag that loads the Lodash library:
```html
<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>
```
Lodash is a popular JavaScript utility library that provides various functions for tasks such as string manipulation, array and object operations, and more.

**Individual Test Cases**

There are two test cases:

1. **`Lodash cloneDeep`**: This test case uses the `cloneDeep` function from Lodash to create a deep copy of `MyObject`.
```javascript
myCopy = _.cloneDeep(MyObject);
```
2. **`Lodash clone`**: This test case uses the `clone` function from Lodash to create a shallow copy of `MyObject`.
```javascript
myCopy = _.clone(MyObject);
```
**Pros and Cons**

* **`cloneDeep`**:
	+ Pros: Creates a deep copy, which means that all nested objects are also copied recursively. This can be useful if you need to preserve the entire object structure.
	+ Cons: Can be slower than `clone` because it needs to traverse and clone all nested objects.
* **`clone`**:
	+ Pros: Faster than `cloneDeep` because it only clones surface-level properties, without worrying about nested objects.
	+ Cons: May not preserve the entire object structure if there are deeply nested objects.

**Library: Lodash**

Lodash is a utility library that provides a wide range of functions for tasks such as:

* String manipulation (e.g., `stringify`, `parse`)
* Array and object operations (e.g., `cloneDeep`, `clone`, `assign`, `merge`)
* Miscellaneous functions (e.g., `debounce`, `throttle`, `chunk`)

**Special JS feature: none**

There are no special JavaScript features or syntax used in this benchmark.

**Other Alternatives**

If you need to clone objects, you may also consider using other libraries or built-in methods:

* **`JSON.parse(JSON.stringify(obj))`**: This method creates a deep copy of an object. However, it has some limitations and potential issues (e.g., it can create circular references).
* **`Object.assign()`**: This method creates a shallow copy of an object.
* **`Array.prototype.slice()`**: This method creates a shallow copy of an array.

Note that the choice of cloning library or method depends on your specific use case and requirements.

Related benchmarks:

Lodash cloneDeep vs lodash clone123 (version: 0)

Comparing performance of: Lodash cloneDeep vs Lodash clone

Created: 3 years ago by: Guest

Jump to the latest result

Lodash cloneDeep

Lodash 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):