Benchmark: Lodash test - find

HTML Preparation code:

<script src="lodash.js"></script>

Script Preparation code:

var array = [
  { 'name': 'lim', 'age': 26 },
  { 'name': 'kim', 'age': 28 },
  { 'name': 'choi', 'age': 32 },
  { 'name': 'park', 'age': 21 }
 ];

Tests:

Lodash
_.find(array, arr => arr.age < 28)
Vanilla JS
array.find(arr => arr.age < 28)

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Lodash
Vanilla JS

Fastest: N/A

Slowest: N/A

Latest run results:

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

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Let's break down the provided benchmark and explain what's being tested, the options compared, their pros and cons, and other considerations.

**Benchmark Overview**

The benchmark is designed to compare the performance of two approaches: using the Lodash library for finding an element in an array (Lodash test - find) and using vanilla JavaScript without any libraries (Vanilla JS).

**Script Preparation Code**

The script preparation code defines a sample array `array` with four objects, each containing an `age` property.

```javascript
var array = [
  { 'name': 'lim', 'age': 26 },
  { 'name': 'kim', 'age': 28 },
  { 'name': 'choi', 'age': 32 },
  { 'name': 'park', 'age': 21 }
];
```

The `Html Preparation Code` includes a script tag to load the Lodash library.

```html
<script src="lodash.js"></script>
```

**Individual Test Cases**

There are two individual test cases:

1. **Lodash**: The benchmark definition uses the Lodash function `_._find(array, arr => arr.age < 28)`, which finds the first element in the `array` that satisfies the condition.
2. **Vanilla JS**: The benchmark definition uses the vanilla JavaScript method `array.find(arr => arr.age < 28)`, which also finds the first element in the `array` that satisfies the condition.

**Comparison**

The comparison is done between these two approaches: Lodash (with its library) and Vanilla JS (without any libraries).

**Pros and Cons of Each Approach**

1. **Lodash**:
	* Pros:
		+ Provides a standardized interface for finding elements in arrays.
		+ Optimized for performance and caching.
		+ Allows for easy implementation of complex search logic.
	* Cons:
		+ Adds additional overhead due to the library's size and complexity.
		+ May not be suitable for small projects or projects with strict size constraints.
2. **Vanilla JS**:
	* Pros:
		+ Does not add any additional overhead compared to native JavaScript.
		+ Can be more efficient in certain cases (e.g., when using a strict equality check).
		+ Suitable for small projects or projects with strict size constraints.
	* Cons:
		+ Requires manual implementation of the search logic, which can lead to errors and inconsistencies.

**Other Considerations**

* The benchmark's results are likely influenced by factors such as browser version, device platform, operating system, and JavaScript engine.
* The test cases only compare finding a single element in an array; more complex use cases may require additional consideration of performance optimizations.
* It's essential to note that the Lodash library provides many other useful methods beyond `find()`, which can affect the overall size and complexity of the project.

**Alternative Approaches**

1. **Using Array.prototype.some()**: Instead of using `array.find()`, you could use `array.some()` with a callback function to achieve similar results.
2. **Using a custom implementation**: You could implement your own search logic without relying on the Lodash library or vanilla JavaScript methods.
3. **Using other libraries**: Depending on the specific requirements, you might consider using other libraries like Ramda, Underscore.js, or even a bespoke solution.

Keep in mind that these alternatives may have their own trade-offs and complexities, and it's essential to evaluate them carefully based on your project's specific needs and constraints.

Related benchmarks:

Lodash test - find (version: 0)

Lodash test - find

Comparing performance of: Lodash vs Vanilla JS

Created: 3 years ago by: Guest

Jump to the latest result

Lodash

Vanilla JS

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):