Benchmark: _.some vs deconstruction

HTML Preparation code:

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

Script Preparation code:

var obj = {
  a: 'do',
  b: 'you',
  c: 'like',
  d: 'this'
};

var myOmit = (obj, key) => {
  const { [key]: ignoredProp, ...extrudedObj } = obj;
  return extrudedObj;
};

Tests:

lodash.omit
_.omit(obj, 'c')
native omit
myOmit(obj, 'c')

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
lodash.omit
native omit

Fastest: N/A

Slowest: N/A

Latest run results:

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

LLMs can make mistakes. Check important info.

Let's dive into the provided benchmark definition and test cases.

**Benchmark Definition**

The provided JSON represents a JavaScript microbenchmark that compares two approaches to omitting properties from an object: using Lodash (`_.omit`) and a native implementation (defined as `myOmit`).

**What is tested?**

In this benchmark, we have two test cases:

1. `lodash.omit(obj, 'c')`: This test case uses the `_.omit` function from Lodash to omit the property `'c'` from the object `obj`.
2. `myOmit(obj, 'c')`: This test case uses a native implementation of omitting properties from an object (defined as `myOmit`). The code for this function is provided in the "Script Preparation Code" section.

**Options compared**

The two options being compared are:

* **Lodash (`_.omit`)**: A popular JavaScript utility library that provides various functions, including `omit`. This function takes an object and one or more keys as arguments and returns a new object with the specified key(s) removed.
* **Native implementation (`myOmit`)**: A custom implementation of omitting properties from an object. The code for this function is provided in the "Script Preparation Code" section.

**Pros and Cons**

Here are some pros and cons associated with each approach:

**Lodash (`_.omit`)**

Pros:

* Well-tested and widely used library
* Provides a simple and concise API
* Supports various types of objects (e.g., arrays, objects)

Cons:

* Additional dependency on Lodash library
* May have overhead due to the library's inclusion in the benchmark

**Native implementation (`myOmit`)**

Pros:

* No additional dependencies required
* Potential for better performance compared to using a library
* Can be optimized specifically for this use case

Cons:

* Requires custom implementation, which may add complexity
* May not be as widely tested or reviewed as Lodash

**Other considerations**

The choice between these two approaches depends on the specific requirements of your project. If you need a simple and concise solution with minimal overhead, using Lodash (`_.omit`) might be a good option. However, if you're looking for better performance or want to optimize your code specifically for this use case, using the native implementation (`myOmit`) might be a better choice.

**Library - Lodash**

Lodash is a popular JavaScript utility library that provides various functions for common tasks, such as array manipulation, object iteration, and more. The `_.omit` function is part of this library and takes an object and one or more keys as arguments, returning a new object with the specified key(s) removed.

**Special JS feature - None**

There are no special JavaScript features or syntaxes mentioned in the provided benchmark definition.

Related benchmarks:

_.some vs deconstruction (version: 0)

Comparing performance of: lodash.omit vs native omit

Created: 4 years ago by: Guest

Jump to the latest result

lodash.omit

native omit

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):