Benchmark: Lodash vs JSON.stringify() for array

HTML Preparation code:

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

Script Preparation code:

window.foo = [{
    id: 'markup-1',
    name: 'markup',
    data: {
        width: 20,
        height: 30
    }
}, {
    id: 'markup-1',
    name: 'markup',
    data: {
        width: 20,
        height: 30
    }
}, {
    id: 'markup-1',
    name: 'markup',
    data: {
        width: 20,
        height: 30
    }
}];

window.bar = [{
    id: 'markup-1',
    name: 'markup',
    data: {
        width: 20,
        height: 30
    }
}, {
    id: 'markup-1',
    name: 'markup',
    data: {
        width: 20,
        height: 30
    }
}, {
    id: 'markup-1',
    name: 'markup',
    data: {
        width: 20,
        height: 30
    }
}];

Tests:

_.isEqual
_.isEqual(window.foo, window.bar)
JSON.stringify
JSON.stringify(window.foo, window.bar)

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
_.isEqual
JSON.stringify

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 2 years ago)

User agent: Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Mobile Safari/537.36

Browser/OS: Chrome Mobile 122 on Android

View result in a separate tab

JSON.stringify

1.4M/s

_.isEqual

338K/s

View exact numbers

Test name	Executions per second
✓ JSON.stringify	1,378,190 Ops/sec
_.isEqual	338,009 Ops/sec

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 its test cases.

**Benchmark Definition JSON**

The provided JSON defines a benchmark called "Lodash vs JSON.stringify() for array". The benchmark is comparing two approaches:

1. Using Lodash (`_.isEqual`) to compare two arrays.
2. Using `JSON.stringify()` to serialize an array.

**Script Preparation Code**

The script preparation code creates two identical arrays, `window.foo` and `window.bar`, with three elements each.

**Html Preparation Code**

The HTML preparation code includes a reference to the Lodash library (`https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js`) to enable the use of Lodash functions in the benchmark.

**Individual Test Cases**

There are two individual test cases:

1. **_.isEqual(window.foo, window.bar)**: This test case uses Lodash's `isEqual` function to compare the two identical arrays created in the script preparation code.
2. **JSON.stringify(window.foo, window.bar)**: This test case uses `JSON.stringify()` to serialize the array `window.foo`, with an additional parameter `window.bar`. The purpose of this additional parameter is unclear, but it might be intended to demonstrate how Lodash's `isEqual` function works by comparing the original and serialized arrays.

**Pros and Cons**

1. **Lodash (`_.isEqual`)**:
	* Pros: Fast and efficient comparison function.
	* Cons: Requires including an external library (Lodash).
2. **JSON.stringify()**:
	* Pros: Native, built-in JavaScript function that can be used without any additional libraries.
	* Cons: May not perform as efficiently as Lodash's `isEqual` for large arrays.

In general, using a built-in function like `JSON.stringify()` might seem appealing, but it can lead to slower performance compared to optimized comparison functions like Lodash's `isEqual`. On the other hand, including an external library (Lodash) provides faster execution times but requires more overhead due to the additional dependency.

**Other Considerations**

The use of identical arrays in both test cases makes the benchmark more focused on comparing the two approaches rather than testing their robustness. In a real-world scenario, you might want to test these functions with different types of data or edge cases.

Additionally, the inclusion of `window.bar` as an additional parameter in the `JSON.stringify()` test case is unclear and might not be intended. If this is meant to demonstrate how Lodash's `isEqual` function works, it would be better to compare the original and serialized arrays using a different approach.

**Special JS Feature or Syntax**

There are no special JavaScript features or syntax mentioned in the benchmark. The code uses standard JavaScript concepts, such as arrays, functions, and libraries like Lodash.

If you'd like to explore alternative approaches or modifications to these benchmarks, some options could be:

* Using a different comparison function, such as `Set` or `Map`, for the Lodash test case.
* Creating an array with varying data types (e.g., strings, numbers) to test the robustness of both functions.
* Introducing errors or edge cases in the arrays being compared to evaluate their performance under stress conditions.

Feel free to ask if you have any further questions!

Lodash vs JSON.stringify() for array (version: 1) Benchmark.js

Comparing performance of: `_.isEqual vs JSON.stringify`

Created: 4 years ago by: Registered User

Go to the latest result

_.isEqual

JSON.stringify

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):

Lodash vs JSON.stringify() for array (version: 1) Benchmark.js

Comparing performance of: _.isEqual vs JSON.stringify

Created: 4 years ago by: Registered User

Go to the latest result

_.isEqual

JSON.stringify

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):

Related benchmarks

Comparing performance of: `_.isEqual vs JSON.stringify`