Benchmark: native find vs [0]

HTML Preparation code:

<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.11/lodash.core.js"></script>

Script Preparation code:

var users = [
  { 'user': 'joey',  'age': 32 },
  { 'user': 'ross',    'age': 41 },
  { 'user': 'chandler', 'age': 39 }
]

Tests:

array find
// Native users.find(function (o) { return o; })
_.find
users[0]

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
array find
_.find

Fastest: N/A

Slowest: N/A

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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 explanation of the provided benchmark.

**What is tested on the provided JSON?**

The benchmark compares two approaches for finding an element in an array:

1. **Native Find**: Using the built-in `find` method of JavaScript arrays, which returns the first element that satisfies the provided condition.
2. **_.find (Lodash)**: Using the `_find` function from the Lodash library, which is a utility library for functional programming.

**Options Compared**

The two options being compared are:

* Native Find (`users.find(function (o) { return o; })`)
* _.find (from Lodash library)

**Pros and Cons of Each Approach**

1. **Native Find**:
	* Pros: Typically faster, as it is a built-in method optimized for performance.
	* Cons: May have limitations in terms of the type of elements being searched or the complexity of the condition.
2. **_.find (Lodash)**:
	* Pros: Provides more flexibility and control over the search process, allowing for more complex conditions and types of elements to be searched.
	* Cons: Slower than Native Find due to the overhead of invoking a library function.

**Library and Purpose**

The Lodash library is a popular utility library that provides a wide range of functional programming helpers, including filtering, mapping, and searching functions like _.find. Its purpose is to simplify and accelerate common tasks in JavaScript development.

**Special JS Feature or Syntax (None)**

There are no special JavaScript features or syntaxes being tested in this benchmark.

**Other Considerations**

When choosing between Native Find and _.find, consider the specific requirements of your application:

* If you need simple, fast searches with minimal overhead, Native Find might be a better choice.
* If you require more control over the search process or are working with complex data structures, _.find from Lodash might be more suitable.

**Alternatives**

Other alternatives for searching elements in arrays include:

1. **Array.prototype.findIndex()**: A modern JavaScript method that is similar to Native Find but provides additional features like handling null and undefined values.
2. **Underscore.js**: Another utility library that offers various search functions, including _.find, which might be a suitable alternative if you're already using Lodash.
3. **Manual looping**: You can also use manual looping (e.g., `for` loop or `forEach`) to iterate through the array and find the desired element.

Keep in mind that each of these alternatives has its pros and cons, and the choice ultimately depends on your specific needs and performance requirements.

Related benchmarks:

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Compare the new ES6 spread operator with the traditional concat() method

Comparing performance of: array find vs _.find

Created: 3 years ago by: Guest

Jump to the latest result

array find

_.find

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):