Benchmark: lodashuniq - MeasureThat.net

HTML Preparation code:

<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.2/lodash.js"></script>

Script Preparation code:

function getRandomInt(min, max) {
  min = Math.ceil(min);
  max = Math.floor(max);
  return Math.floor(Math.random() * (max - min)) + min;
}
var categories = [];
for (var i = 0; i < 1000; i++) { 
 categories[i] = getRandomInt(1,100);
}

Tests:

set
var uniqueCategories = [...new Set(categories)];
lodash
var uniqueCategories = _(categories).uniq();

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
set
lodash

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 break down the benchmark and explain what is being tested.

**Benchmark Overview**

The benchmark is designed to measure the performance of two different approaches for removing duplicates from an array: the native JavaScript `Set` object, and the `uniq()` function from the Lodash library.

**Options Compared**

Two options are compared:

1. **Native JavaScript Set**: This approach uses the built-in `Set` object in JavaScript, which is a collection of unique values. The benchmark creates an array of random integers (`categories`) and then uses the `Set` object to create a new array with no duplicates.
2. **Lodash uniq() function**: This approach uses the `uniq()` function from Lodash, a popular utility library for JavaScript.

**Pros and Cons**

**Native JavaScript Set**

Pros:

* Fast and efficient
* Built-in to JavaScript, so no additional library is required

Cons:

* May have performance issues on very large datasets due to the overhead of creating and managing the `Set` object
* Does not provide any additional functionality beyond removing duplicates

**Lodash uniq() function**

Pros:

* Convenient and easy-to-use API
* Provides a way to remove duplicates while preserving the original order of elements (in this case, it doesn't matter since we're just dealing with integers)

Cons:

* Requires an additional library (Lodash) to be included
* May have performance issues on very large datasets due to the overhead of processing and filtering the array

**Library: Lodash**

Lodash is a utility library for JavaScript that provides a collection of functional programming helpers, including `uniq()`. The `uniq()` function takes an array as input and returns a new array with no duplicates.

**Special JS Feature/Syntax: None**

There are no special JavaScript features or syntax used in this benchmark.

**Other Alternatives**

If you wanted to test other approaches for removing duplicates from an array, some alternatives could include:

* Using a custom implementation of a hash table or dictionary
* Using a sorting and filtering approach (e.g., sorting the array and then filtering out duplicates)
* Using a different library or framework that provides a similar functionality (e.g., `array.prototype.dupe()` in some frameworks)

It's worth noting that the performance differences between these approaches may be small for small datasets, but can become significant for very large datasets.

Related benchmarks:

lodashuniq (version: 0)

Comparing performance of: set vs lodash

Created: 9 years ago by: Guest

Jump to the latest result

set

lodash

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):