Benchmark: Lodash vs Object.keys

HTML Preparation code:

<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>

Tests:

Lodash
var o = { a: 1, b: 2, c:3 } var a = _.keys(o)
Object.keys
var o = { a: 1, b: 2, c:3 } var a = Object.keys(o)

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Lodash
Object.keys

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'd be happy to explain what's being tested in the provided benchmark.

**Benchmark Definition**

The benchmark is designed to compare two approaches: using Lodash's `keys` function and using the built-in `Object.keys()` method in JavaScript. The goal is to determine which approach is faster for retrieving the keys of an object.

**Options Compared**

There are only two options being compared:

1. **Lodash**: Lodash is a popular utility library for JavaScript that provides a wide range of functions for tasks such as string manipulation, array manipulation, and more. In this case, we're using `lodash.keys()` to retrieve the keys of an object.
2. **Object.keys()**: This is a built-in JavaScript function that returns an array of strings representing the keys of an object.

**Pros and Cons**

Here are some pros and cons of each approach:

* **Lodash**:
	+ Pros: Lodash is a well-tested and widely used library, so you can rely on its performance. It's also easy to use and provides a lot of functionality out of the box.
	+ Cons: You need to include an additional library (Lodash) in your project, which may add extra size and complexity.
* **Object.keys()**:
	+ Pros: This is a built-in JavaScript function, so it doesn't require any additional libraries. It's also very lightweight and easy to use.
	+ Cons: You need to know that the object has enumerable properties (which might not always be the case). Also, this approach can be slower than using Lodash if the object is large.

**Other Considerations**

* **Performance**: When working with large objects, the performance difference between these two approaches can be significant. Lodash's `keys` function may provide a slight performance boost due to its optimized implementation.
* **Code Readability**: Using `Object.keys()` makes your code more readable and concise, as it clearly expresses the intent of retrieving object keys.

**Library Used (if any)**

In this case, the library being used is Lodash. It's included in the HTML header, which allows the test to use its functions without requiring an additional setup.

**Special JS Feature or Syntax**

There doesn't seem to be any special JavaScript features or syntax used in this benchmark. The code is straightforward and uses standard JavaScript features.

**Alternatives**

If you wanted to compare other approaches for retrieving object keys, some alternatives could include:

* Using a library like **Underscore.js**, which provides similar functionality to Lodash.
* Implementing your own custom function using `for...in` or `Array.prototype.forEach()`.
* Using a different library, such as **Mochajs** or **Ramda**, which provide alternative ways of working with objects.

However, it's worth noting that the benchmark is primarily comparing two specific approaches: Lodash's `keys` and the built-in `Object.keys()` method.

Related benchmarks:

Lodash vs Object.keys (version: 0)

Comparing performance of: Lodash vs Object.keys

Created: 4 years ago by: Guest

Jump to the latest result

Lodash

Object.keys

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):