Benchmark: Lodash cloneDeep vs JSON Clone vs Ramda Clone vs JSON Spread

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 src="https://cdnjs.cloudflare.com/ajax/libs/clone/2.1.2/clone.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);
JSON Spread
myCopy = {...MyObject};

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Lodash cloneDeep
Json clone
Ramda clone
JSON Spread

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.

Let's break down the benchmark and its options.

**Benchmark Overview**

The benchmark compares the performance of four different methods to create a deep copy of an object: Lodash `cloneDeep`, JSON Clone, Ramda `clone`, and JSON Spread.

**Options Compared**

1. **Lodash `cloneDeep`**: A utility function from the Lodash library that creates a deep copy of an object.
2. **JSON Clone**: A method that uses JSON.stringify() and JSON.parse() to create a deep copy of an object.
3. **Ramda `clone`**: A higher-order function from the Ramda library that creates a deep copy of an object.
4. **JSON Spread**: A syntax shorthand that creates a new object by spreading an existing object's properties.

**Pros and Cons**

*   **Lodash `cloneDeep`**:
    *   Pros: Highly optimized for performance, supports complex data structures like arrays and objects.
    *   Cons: Requires the Lodash library to be included in the project.
*   **JSON Clone**:
    *   Pros: Lightweight, no additional libraries required.
    *   Cons: Can lead to slower performance due to stringification and parsing overhead.
*   **Ramda `clone`**:
    *   Pros: Provides a more functional programming approach, supporting immutability and pure functions.
    *   Cons: May have slightly higher overhead compared to Lodash's cloneDeep.
*   **JSON Spread**:
    *   Pros: Syntax shorthand for creating new objects with spread properties, easy to read and write.
    *   Cons: Limited support for complex data structures like arrays.

**Library Descriptions**

1.  **Lodash**: A utility library that provides a wide range of functions for tasks such as array manipulation, object cloning, and more.
2.  **Ramda**: A functional programming library that provides higher-order functions to manipulate and transform data.

**Special JavaScript Features/Syntax**

None mentioned in this benchmark.

**Other Considerations**

*   When working with large datasets or complex objects, the choice of deep copying method may impact performance significantly.
*   If you're using a project management tool that requires strict version control, including Lodash might be necessary to maintain consistency across projects.

**Alternatives**

1.  **immer**: A library specifically designed for creating immutable state by making a shallow copy of an object's properties.
2.  **pick**: A utility function from the Ramda library that creates a new object with only the specified keys, which can be used to create a deep copy in certain scenarios.
3.  **Object.assign()**: A method that copies all enumerable own properties of source objects to target objects.

When choosing a method for deep copying objects, consider factors like performance requirements, complexity of data structures, and compatibility with your project's dependencies.

Related benchmarks:

Lodash cloneDeep vs JSON Clone vs Ramda Clone vs JSON Spread (version: 0)

Lodash cloneDeep vs JSON Clone vs Ramda Clone vs JSON Spread

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

Created: 5 years ago by: Guest

Jump to the latest result

Lodash cloneDeep

Json clone

Ramda clone

JSON Spread

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):