Benchmark: Lodash vs JSON (isEqual)

HTML Preparation code:

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

Script Preparation code:

var data = {
  sportId: [10,23,6,35,5,7],
  categoryId: [0,2,66,235,7,34,2578,2357,63],
  tournamentId: [23,35,854,3],
};

Tests:

Lodash
_.isEqual(data, data);
Json
JSON.stringify(data) === JSON.stringify(data);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Lodash
Json

Fastest: N/A

Slowest: N/A

Latest 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 the provided benchmark and explain what's being tested, compared, and their pros and cons.

**Benchmark Definition**

The benchmark is testing two approaches: using Lodash (a popular JavaScript utility library) versus using native JSON methods to compare if two objects are equal. The test case consists of a predefined `data` object that contains arrays and other properties.

**Options Compared**

1. **Lodash (`_.isEqual(data, data)`)**:
	* Pros:
		+ Lodash is a widely-used and well-maintained library.
		+ It provides a convenient way to compare objects, handling various edge cases and data types.
	* Cons:
		+ Adds extra overhead due to the library's execution time and memory usage.
		+ Requires an additional dependency (the Lodash library).
2. **Native JSON methods (`JSON.stringify(data) === JSON.stringify(data)`)**:
	* Pros:
		+ Native JavaScript, so no external dependencies or overhead.
		+ Lightweight and efficient, as it only uses built-in functions.

**Other Considerations**

Both approaches are simple and straightforward, but the choice between them depends on the specific use case:

* If you need to perform complex object comparisons with ease and don't mind adding extra overhead (i.e., Lodash), this might be a good option.
* For lightweight, simple equality checks or when performance is critical (i.e., native JSON methods), this approach is likely preferred.

**Library: Lodash**

Lodash is a popular JavaScript utility library that provides various functions for tasks like string manipulation, array manipulation, and object comparison. The `_.isEqual` function uses a deep comparison algorithm to determine if two objects are equal. This includes comparing all properties, including nested arrays and objects.

The `JSON.stringify` method in native JavaScript converts an object into a JSON string and then compares the resulting strings for equality. However, keep in mind that this approach may not work correctly with certain data types or edge cases (e.g., cyclic references, NaN values).

**Special JS Feature/Syntax**

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

**Alternatives**

Other alternatives to compare object equality include:

* Using a custom implementation without relying on any external libraries.
* Utilizing built-in functions like `JSON.stringify` for native JSON methods and adding additional checks using `Object.keys()` or other methods.
* Leveraging third-party libraries like Immer, which provides an immutable data structure and allows for more efficient object comparison.

Keep in mind that each approach has its trade-offs in terms of performance, readability, and maintainability.

Related benchmarks:

Lodash vs JSON (isEqual) (version: 0)

Comparing performance of: Lodash vs Json

Created: 2 years ago by: Guest

Jump to the latest result

Lodash

Json

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):