Benchmark: Lodash lodashoooon 2

HTML Preparation code:

<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.21/lodash.min.js'></script>

Script Preparation code:

var MyObject = {
  description: 'a',
  myNumber: 123456789,
  myBoolean: true,
};

var copy = null;

Tests:

Lodash
copy = _.cloneDeep(MyObject)
Vanilla
copy = structuredClone(MyObject)

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Lodash
Vanilla

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):

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Let's break down what's being tested on the provided JSON.

**Benchmark Definition**

The website provides a benchmarking framework where users can create and run JavaScript microbenchmarks. The `Benchmark Definition` is a JSON object that represents the test case. In this example, there are two benchmarks defined:

1. **Lodash**: This test case loads the Lodash library (`https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.21/lodash.min.js`) and then runs the `_.cloneDeep(MyObject)` method on a predefined object `MyObject`.
2. **Vanilla**: This test case uses the built-in JavaScript function `structuredClone()` to clone the same `MyObject`.

**Script Preparation Code**

The `Script Preparation Code` section is used to set up the test environment before running the benchmark. In this example, it creates a simple object `MyObject` with some properties and assigns it to a variable `copy`. The `var copy = null;` statement is likely there to ensure that the copy variable is initialized before being used.

**Html Preparation Code**

The `Html Preparation Code` section links to the Lodash library via a CDN, ensuring that it's loaded before running the benchmark. This is necessary because some browsers may not load scripts immediately when they're linked in the HTML.

**Options Compared**

In this case, we have two main options being compared:

1. **Lodash**: Using an external library like Lodash to implement the cloning functionality.
2. **Vanilla**: Implementing the cloning functionality using built-in JavaScript functions (`structuredClone()`).

**Pros and Cons of Each Approach**

**Lodash:**

Pros:

* Often provides a more efficient implementation for complex cloning tasks
* May have better support for various data types and edge cases

Cons:

* Introduces additional dependencies (the Lodash library)
* Can lead to slower startup times if the library is not cached or optimized

**Vanilla:**

Pros:

* No external dependencies, reducing overhead during execution
* Typically faster startup times due to fewer dependencies

Cons:

* May require more development effort to implement cloning functionality correctly
* Limited support for certain data types or edge cases may result in performance issues

**Library Used (Lodash)**

The Lodash library is a popular JavaScript utility library that provides various functions for tasks like array manipulation, string operations, and more. In this case, it's used to implement the `_.cloneDeep()` function, which creates a deep copy of an object.

**Special JS Feature or Syntax**

There are no special features or syntaxes being tested in this benchmark.

**Other Alternatives**

If you were looking for alternative cloning libraries or built-in functions, some examples include:

* **JSON.parse()` and `JSON.stringify()`: These can be used to create a shallow copy of an object. However, they may not work as expected with certain data types or edge cases.
* **lodash-es**: This is a modern version of Lodash that's optimized for performance and compatibility with newer JavaScript features.
* **structuredClone()` (built-in): As mentioned earlier, this function is available in modern browsers and can be used to create a deep copy of an object.

Keep in mind that these alternatives may have different trade-offs in terms of performance, dependencies, or implementation complexity.

Related benchmarks:

Lodash lodashoooon 2 (version: 1)

Loadsh

Comparing performance of: Lodash vs Vanilla

Created: 2 years ago by: Registered User

Jump to the latest result

Lodash

Vanilla

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):