Benchmark: JSON Stringify icx 2

HTML Preparation code:

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

Tests:

Lodash
const a = { prop1: 5, prop2: '6' }; const b = { prop1: 5, prop2: '7' }; _.isEqual(a, b)
Prop
const a = { prop1: 5, prop2: '6' }; const b = { prop1: 5, prop2: '7' }; a.prop1 === b.prop1 && a.prop2 === b.prop2
JSON
const a = { prop1: 5, prop2: '6' }; const b = { prop1: 5, prop2: '7' }; JSON.stringify(a) === JSON.stringify(b);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Lodash
Prop
JSON

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Browser/OS: Chrome 128 on Windows

View result in a separate tab

Test name	Executions per second
Lodash	1105276.8 Ops/sec
Prop	122137600.0 Ops/sec
JSON	1459915.9 Ops/sec

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

LLMs can make mistakes. Check important info.

I'll break down the provided benchmark data and explain what's being tested, compared, and other considerations.

**Benchmark Definition JSON**

The benchmark definition represents a microbenchmark that tests the equality of two objects or arrays. The test is performed using different methods: Lodash's `isEqual` function, direct property comparison using `===`, and stringification of the objects using `JSON.stringify`.

There are three test cases:

1. **Lodash**: Tests if two objects with same properties and values are equal using Lodash's `isEqual` function.
2. **Prop**: Tests if two objects have the same properties and values by directly comparing their properties using `===`.
3. **JSON**: Tests if two objects or arrays are stringifiable to the same value using `JSON.stringify`.

**Options Compared**

The three options being compared are:

1. **Lodash's `isEqual` function**: A utility function from the Lodash library that performs a deep equality check on two objects.
2. **Direct property comparison (`===`)**: A simple way to compare properties of two objects or arrays by checking for strict equality using the `===` operator.
3. **Stringification with `JSON.stringify()`**: Converting both objects or arrays to strings and comparing them for equality.

**Pros and Cons**

Here's a brief summary of the pros and cons of each approach:

1. **Lodash's `isEqual` function**:
	* Pros: Provides a robust way to compare complex data structures, handles cyclic references, and supports most data types.
	* Cons: Adds overhead due to the use of a separate library, might be overkill for simple equality checks.
2. **Direct property comparison (`===`)**:
	* Pros: Fast and lightweight, easy to implement.
	* Cons: Fails if properties have different types (e.g., `null` vs. `undefined`) or values are not directly comparable (e.g., strings vs. numbers).
3. **Stringification with `JSON.stringify()`**:
	* Pros: Simple and fast, works for most data structures, but may introduce performance issues for large datasets.
	* Cons: May lead to false positives due to differences in string representation of the same values.

**Library Used**

The Lodash library is used in one of the test cases (`Lodash`). It's a popular utility library that provides many functional programming helpers, including equality checks.

**Special JS Feature or Syntax**

There is no special JavaScript feature or syntax being tested in this benchmark. However, it's worth noting that some browsers may have specific optimizations for certain features or functions, which could affect the results of this benchmark.

**Other Alternatives**

If you need to perform equality checks on objects or arrays, consider these alternatives:

1. **JSON.parse(JSON.stringify(obj))**: Another way to stringify an object and compare it.
2. **Util.isEqual() from another library (e.g., `util` module)**: If you prefer a different implementation for the equality check.
3. **Implement your own equality check function**: Using a custom implementation tailored to your specific use case.

Keep in mind that these alternatives may have their own trade-offs and performance characteristics, which should be considered when choosing the best approach for your specific needs.

Related benchmarks:

JSON Stringify icx 2 (version: 0)

Comparing performance of: Lodash vs Prop vs JSON

Created: one year ago by: Guest

Jump to the latest result

Lodash

Prop

JSON

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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