Benchmark: <script src="https://cdn.jsdelivr.net/npm/lodash@4.17.21/lodash.min.js"></script>

Script Preparation code:

window.str1 = '1';
window.str2 = '2';
window.arr1 = ['cat', 'dog', 'bird'];
window.arr2 = ['cat', 'dog', 'bird'];
window.obj1 = { a: 1, b: 2, c: window.arr1 };
window.obj2 = { a: 3, b: 4, c: window.arr2 };

Tests:

_.isEqual for string
_.isEqual(window.str1, window.str2)
JSON.stringify for string
JSON.stringify(window.str1) === JSON.stringify(window.str2);
_.isEqual for array
_.isEqual(window.arr1, window.arr2)
JSON.stringify for array
JSON.stringify(window.arr1) === JSON.stringify(window.arr2);
_.isEqual for object
_.isEqual(window.obj1, window.obj2)
JSON.stringify for object
JSON.stringify(window.obj1) === JSON.stringify(window.obj2);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
_.isEqual for string
JSON.stringify for string
_.isEqual for array
JSON.stringify for array
_.isEqual for object
JSON.stringify for object

Fastest: N/A

Slowest: N/A

Latest run results:

No previous run results

This benchmark does not have any results yet. Be the first one to run it!

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

LLMs can make mistakes. Check important info.

Let's dive into the world of JavaScript microbenchmarks!

**What is being tested?**

The provided JSON represents two types of benchmarks: benchmark definitions and individual test cases.

*   Benchmark definitions define how to prepare the data, set up the environment, and run the actual benchmark. In this case, there are two script preparation codes that create different scenarios:
    *   `_.isEqual(window.str1, window.str2)` tests the equality function from Lodash (`_`) for strings.
    *   `JSON.stringify(window.str1) === JSON.stringify(window.str2)` tests the serialization of strings using `JSON.stringify()`.
    *   `_.isEqual(window.arr1, window.arr2)` tests the equality function from Lodash (`_`) for arrays.
    *   `JSON.stringify(window.arr1) === JSON.stringify(window.arr2)` tests the serialization of arrays using `JSON.stringify()`.
    *   `_.isEqual(window.obj1, window.obj2)` tests the equality function from Lodash (`_`) for objects.
    *   `JSON.stringify(window.obj1) === JSON.stringify(window.obj2)` tests the serialization of objects using `JSON.stringify()`.
*   Individual test cases run the actual benchmark. The results are stored in the `RawUAString`, `Browser`, `DevicePlatform`, `OperatingSystem`, `ExecutionsPerSecond` fields, which provide information about the user agent string, browser, device platform, operating system, and execution speed for each test case.

**Options compared**

The benchmark definition tests two options:

1.  Lodash's equality function (`_.isEqual`)
2.  Serializing data using `JSON.stringify()`

These options are compared in terms of performance.

**Pros and Cons**

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

*   **Lodash's Equality Function (`_.isEqual`)**:
    *   Pros:
        *   More comprehensive equality checking (e.g., checks for primitive values, objects, arrays)
        *   Can handle more complex data structures
    *   Cons:
        *   Slower performance due to the additional logic and potential overhead of Lodash's functions
*   **Serializing Data using `JSON.stringify()`**:
    *   Pros:
        *   Fast serialization performance
        *   Easy to implement and understand
    *   Cons:
        *   May not cover all edge cases (e.g., handles for circular references, nested objects)
        *   Does not provide equal comparison

**Library: Lodash**

Lodash is a popular JavaScript utility library that provides various functions for tasks like string manipulation, array and object processing, and more. The `_.isEqual` function is part of this library and helps compare the equality between two values.

In this benchmark, Lodash's equality function is used to test the correctness of string comparisons.

Related benchmarks:

<script src="https://cdn.jsdelivr.net/npm/lodash@4.17.21/lodash.min.js"></script> (version: 0)

Comparing performance of: _.isEqual for string vs JSON.stringify for string vs _.isEqual for array vs JSON.stringify for array vs _.isEqual for object vs JSON.stringify for object

Created: 3 years ago by: Guest

Jump to the latest result

_.isEqual for string

JSON.stringify for string

_.isEqual for array

JSON.stringify for array

_.isEqual for object

JSON.stringify for object

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):