Benchmark: Unique Array: Lodash or from Set

HTML Preparation code:

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

Script Preparation code:

var testArr = "JRQ, SCTS, KKC, KKC, KKC, RGC, PDA, PDA, RGC, KKC, PDA, PDA, PDA, SCTS, KKC, DAH, JRM, JRM, RGC, RGC, DAMB, DAMB, KKC, SCTS, RGC, PAC, KKC, KKC, SCTS, SCTS, SCTS, SCTS, KKC, KKC, MIDK, MIDK, KKC, RGC, CHTS, CHTS, CHTS, CHTS, JRQ, JRQ, SCTS, DAH, DAH, AEWC, DQQL, PAC, DQQL, DQQL, AEWC, KIS, AEWC, DQQL, AEWC, PAC, RHN, RHN, KIS, KIS, RHN, RHN, RHN, KIS, KIS, KIS, KIS, KIS, JRQ, RGC, SCTS, RGC, SCTS, KKC, SCTS, SCTS, SCTS, SCTS, SCTS, SCTS, SCTS, SCTS, SCTS, SCTS, DGJ, DGJ, RGC, KKC, KKC, MIDK, MIDK, RGC, KKC, RGC, RGC, RGC, RGC, DGJ, DGJ, PDA, RGC, JRQ, PDA, SCTS, RGC, RGC, SCTS, DXJM, JRQ, PDA, PDA, PDA, SCTS, DAH, DAH, RGC, RGC,".split(', ');

Tests:

Array from Set
Array.from( new Set( testArr ) )
Lodash Uniq
_.uniq(testArr)

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Array from Set
Lodash Uniq

Fastest: N/A

Slowest: N/A

Latest run results:

No previous run results

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

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The provided benchmark measures the performance of two different approaches to convert an array into a set and back into an array.

**Approach 1: Using Array.from() and Set()**

This approach uses the built-in `Set` object in JavaScript to create a set from the array, and then converts it back into an array using the `Array.from()` method. This is a straightforward and efficient way to achieve this conversion.

**Approach 2: Using Lodash's uniq() function**

This approach uses the `uniq` function from the Lodash library, which is a popular utility library for JavaScript. The `uniq` function takes an array as input and returns a new array with duplicate elements removed. This approach requires loading the Lodash library in the test environment.

**Pros and Cons of each approach:**

1. **Array.from() and Set():**
	* Pros:
		+ Fast and efficient, since it uses built-in JavaScript objects.
		+ No additional dependencies required (other than the browser itself).
	* Cons:
		+ May not work as expected in older browsers that don't support `Set`.
2. **Lodash's uniq():**
	* Pros:
		+ Robust and reliable, since it's a widely-used library with extensive testing.
		+ Works across various browsers, including older ones.
	* Cons:
		+ Requires loading an additional library (Lodash), which can add overhead.
		+ May be slower than the native `Set`-based approach.

**Library usage:**

In this benchmark, Lodash is used to provide the `uniq` function. The Lodash library provides a range of utility functions for tasks such as data manipulation, string manipulation, and more.

**Special JS feature or syntax:**

None of the approaches in this benchmark rely on any special JavaScript features or syntax. However, it's worth noting that the use of `Set` objects is a relatively modern feature in JavaScript, introduced with ECMAScript 2015 (ES6).

**Alternatives:**

Other alternatives for converting an array into a set and back into an array might include:

1. Using a library like `collections` or `arrays` from other utility libraries (e.g., Ramda, Immutable.js).
2. Implementing the conversion manually using loops and conditional statements.
3. Using other built-in JavaScript objects, such as `Map`, to create a set-like data structure.

However, these alternatives may not be as efficient or reliable as the native `Set`-based approach, especially when it comes to performance and browser compatibility.

Related benchmarks:

Unique Array: Lodash or from Set (version: 0)

Comparing performance of: Array from Set vs Lodash Uniq

Created: 5 years ago by: Guest

Jump to the latest result

Array from Set

Lodash Uniq

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):