Benchmark: Lodash isEqual vs JSON.stringify (objects)

HTML Preparation code:

<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.14.168/lodash.min.js'></script>

Script Preparation code:

var obj1 = {
    "latitude": 56.282,
    "longitude": 43.995,
    "_heatmapValue": 38680
}

var obj2 = {
    "latitude": 56.27,
    "longitude": 43.992,
    "_heatmapValue": 25439
}

var result = null;

Tests:

lodash isEqual
result = _.isEqual(obj1, obj2);
stringify
result = JSON.stringify(obj1) === JSON.stringify(obj2);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
lodash isEqual
stringify

Fastest: N/A

Slowest: N/A

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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 provided benchmark and explain what's being tested.

**Benchmark Definition:**

The benchmark is comparing two approaches to check if two objects are equal:

1. `lodash isEqual`
2. `JSON.stringify` (objects)

**Options Compared:**

* **_lodash isEqual_:** This function from the Lodash library checks if two objects have the same structure and value.
* **_JSON.stringify(Objects) === JSON.stringify(otherObject):** This approach converts both objects to strings using `JSON.stringify` and then compares these strings for equality. This method is more invasive as it serializes the entire object, including all its properties, not just the ones that are different.

**Pros and Cons:**

* **_lodash isEqual:_**
	+ Pros:
		- Less invasive compared to serialization.
		- Faster, as it only checks a subset of properties (the ones that have changed).
	+ Cons:
		- Requires an external library (Lodash), which might add overhead.
		- Might not be as straightforward for complex objects or edge cases.
* **_JSON.stringify(Objects) === JSON.stringify(otherObject):**
	+ Pros:
		- Easy to implement, no additional libraries required.
		- Works with any object type, including primitive types.
	+ Cons:
		- More invasive, as it serializes the entire object.
		- Can be slower due to the overhead of serialization.

**Library:**

* **_lodash:_** Lodash is a popular JavaScript utility library that provides a wide range of functions for tasks such as array manipulation, object manipulation, and more. The `isEqual` function is one of its most commonly used functions.

**Special JS Feature/Syntax:**

None mentioned in this specific benchmark.

**Other Alternatives:**

* Another approach could be using the built-in `===` operator to compare objects directly (i.e., without serialization). However, this would require checking all properties manually, which can lead to complex and hard-to-maintain code.
* Some developers might also consider using a library like `fast-json-stamp` or `json-stringify-safe`, which are designed for efficient stringification of JSON-like objects.

In summary, the benchmark is comparing two approaches to check if two objects are equal: one uses the Lodash `isEqual` function and the other uses serialization with `JSON.stringify`. The choice between these approaches depends on factors such as performance, simplicity, and the specific requirements of your application.

Related benchmarks:

Lodash isEqual vs JSON.stringify (objects) (version: 0)

Comparing performance of: lodash isEqual vs stringify

Created: 3 years ago by: Guest

Jump to the latest result

lodash isEqual

stringify

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):