Benchmark: isequal 2024 - MeasureThat.net

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/npm/lodash@4.17.4/lodash.min.js"></script>

Script Preparation code:

window.data1 = {
  "2024/02/12": [
    "0fcf707f-cbd5-11ee-b8ea-0242ac180002"
  ],
  "2024/02/13": [
    "0fcf88bd-cbd5-11ee-b8ea-0242ac180002",
    "0fcfa627-cbd5-11ee-b8ea-0242ac180002"
  ],
  "2024/02/14": [
    "6de124ba-61ae-40dc-817f-3739ec5b96c7"
  ],
  "2024/02/15": [
    "9cd4c22f-3228-4022-b151-0e6ad60dcab6"
  ],
  "2024/02/16": [
    "0fd0b7d1-cbd5-11ee-b8ea-0242ac180002",
    "0fd0cbd2-cbd5-11ee-b8ea-0242ac180002"
  ],
  "2024/02/17": [
    "0fd11dfe-cbd5-11ee-b8ea-0242ac180002"
  ],
  "2024/02/18": [
    "0fd13146-cbd5-11ee-b8ea-0242ac180002"
  ]
};

window.data2 = {
  "2024/02/12": [
    "0fcf707f-cbd5-11ee-b8ea-0242ac180002"
  ],
  "2024/02/13": [
    "0fcf88bd-cbd5-11ee-b8ea-0242ac180002",
    "0fcfa627-cbd5-11ee-b8ea-0242ac180002"
  ],
  "2024/02/14": [
    "6de124ba-61ae-40dc-817f-3739ec5b96c7"
  ],
  "2024/02/15": [
    "9cd4c22f-3228-4022-b151-0e6ad60dcab6"
  ],
  "2024/02/16": [
    "0fd0b7d1-cbd5-11ee-b8ea-0242ac180002",
    "0fd0cbd2-cbd5-11ee-b8ea-0242ac180002"
  ],
  "2024/02/17": [
    "0fd11dfe-cbd5-11ee-b8ea-0242ac180002"
  ],
  "2024/02/18": [
    "0fd13146-cbd5-11ee-b8ea-0242ac180002"
  ]
};

Tests:

lodash
_.isEqual(window.data1, window.data2)
jsonstring
JSON.stringify(window.data1) === JSON.stringify(window.data2);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
lodash
jsonstring

Fastest: N/A

Slowest: N/A

Latest run results:

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

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36

Browser/OS: Chrome 121 on Linux

View result in a separate tab

Test name	Executions per second
lodash	623404.5 Ops/sec
jsonstring	626210.4 Ops/sec

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

LLMs can make mistakes. Check important info.

The provided JSON represents two JavaScript microbenchmarks created on MeasureThat.net.

**Benchmark Description**

The first benchmark, `isequal 2024`, compares two objects using the `_.isEqual()` function from the Lodash library. The second benchmark, `jsonstring`, uses a simple string comparison of JSON strings to check if they are equal.

**Options Compared**

For the `_.isEqual()` function:

1. **Deep equality**: The function checks for deep equality between the two objects, meaning it recursively compares all properties and their values.
Pros: Provides accurate results for complex object comparisons.
Cons: Can be slower due to recursive comparisons.

2. **Shallow equality**: The function checks for shallow equality between the two objects, meaning it only compares the top-level properties and does not recursively compare nested objects or arrays.
Pros: Faster than deep equality, as it avoids recursive comparisons.
Cons: May return incorrect results if there are deeply nested objects or arrays that should be compared.

For the simple string comparison using `JSON.stringify()`:

1. **Case-sensitive**: The function compares the strings in a case-sensitive manner.
Pros: Simple and fast, but may not work correctly for strings with different casing (e.g., "Hello" vs. "hello").
Cons: May return incorrect results if casing is important.

2. **Case-insensitive**: Some JavaScript engines, like Chrome, have options to make the comparison case-insensitive.
Pros: Works correctly for strings with different casing.
Cons: Requires an additional option or flag to enable case-insensitivity.

**Library**

The Lodash library provides a robust implementation of the `_.isEqual()` function, which is used in the first benchmark. The library also offers other useful functions for array and object manipulation.

**Special JS Features/Syntax**

None mentioned in this specific benchmark.

**Other Considerations**

When choosing between these options, consider the following:

* If you need to compare complex objects with deeply nested properties, use the `_.isEqual()` function.
* If you only need to compare simple objects or arrays, and don't mind a shallow comparison, use the string comparison method.
* If you're using a JavaScript engine that supports case-insensitive comparisons, consider using that option.

**Alternatives**

Other alternatives for comparing objects or strings in JavaScript include:

1. **Built-in `===` operator**: While not as comprehensive as `_.isEqual()`, this operator can be used to compare simple values.
2. **ES6 `Object.is()` function**: This function provides a more robust comparison than the built-in `===` operator, but still has limitations for complex objects or arrays.
3. **Other libraries**: Depending on your specific needs, other libraries like underscore.js or es6-promise may provide better alternatives to Lodash.

In summary, the choice of option depends on the specific requirements of your benchmark and the trade-offs between accuracy, speed, and simplicity.

Related benchmarks:

isequal 2024 (version: 0)

Comparing performance of: lodash vs jsonstring

Created: 2 years ago by: Guest

Jump to the latest result

lodash

jsonstring

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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