Benchmark: set.get(with new set) vs native include vs lodash include in small data scale

HTML Preparation code:

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

Script Preparation code:

var arr = []
for(var i = 0; i < 99; i++) {
	arr.push(Math.random())
}

Tests:

lodash includes
_.includes(arr, Math.random())
native includes
arr.includes(Math.random())
set. has
var demoSet = new Set(arr);demoSet.has(Math.random())

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
lodash includes
native includes
set. has

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Browser/OS: Chrome 126 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
lodash includes	4778938.0 Ops/sec
native includes	9805094.0 Ops/sec
set. has	516067.2 Ops/sec

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

LLMs can make mistakes. Check important info.

Let's break down the provided benchmark and explain what is being tested.

**Benchmark Overview**

The benchmark measures the performance of three different approaches to check if an element exists in an array:

1. Lodash `_.includes()`
2. Native JavaScript `arr.includes()` method
3. Custom implementation using a `Set` object (`var demoSet = new Set(arr); demoSet.has(Math.random())`)

**Options Compared**

The benchmark compares the performance of each approach with the following options:

* Use of Lodash library
* Use of native JavaScript `includes()` method
* Use of a custom implementation using a `Set` object

**Pros and Cons of Each Approach**

1. **Lodash `_.includes()`**
	* Pros:
		+ Provides a reliable and efficient way to check if an element exists in an array.
		+ Allows for optional second argument to specify the value to search for (e.g., `_.includes(arr, Math.random())`).
	* Cons:
		+ Introduces additional overhead due to the use of a library.
2. **Native JavaScript `arr.includes()` method**
	* Pros:
		+ Fast and efficient implementation that is optimized for performance.
		+ Does not introduce additional overhead beyond the native array operations.
	* Cons:
		+ May not be as reliable or robust as Lodash's implementation, especially in edge cases.
3. **Custom implementation using a `Set` object**
	* Pros:
		+ Can provide better performance than the native JavaScript implementation for large datasets.
		+ Allows for fine-grained control over the iteration process.
	* Cons:
		+ Requires manual management of the set and its operations, which can add complexity.

**Library: Lodash**

Lodash is a popular utility library for JavaScript that provides a wide range of functional programming helpers, including array methods like `_.includes()`. The `_.includes()` method is designed to be efficient and reliable, while also allowing for optional arguments to customize the behavior. In this benchmark, Lodash is used as-is, without any modifications or optimizations.

**Other Considerations**

* The test uses a small dataset with 99 random elements, which may not accurately represent real-world scenarios where datasets can be much larger.
* The benchmark only measures the performance of each approach on the `includes()` method, but other methods like `indexOf()` or `findIndex()` may have different performance characteristics.

**Alternatives**

Other alternatives to Lodash's `_.includes()` method include:

* Using a simple loop-based implementation: `for (var i = 0; i < arr.length; i++) { if (arr[i] === Math.random()) { /* found */ } }`
* Utilizing other array methods like `some()`, `every()`, or `find()`, which may have different performance characteristics.

Keep in mind that the choice of implementation ultimately depends on the specific use case, performance requirements, and personal preference.

Related benchmarks:

set.get(with new set) vs native include vs lodash include in small data scale (version: 0)

Comparing performance of: lodash includes vs native includes vs set. has

Created: one year ago by: Guest

Jump to the latest result

lodash includes

native includes

set. has

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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