Benchmark: Lodash foreach vs native foreach

HTML Preparation code:

<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.15/lodash.min.js'></script>

Script Preparation code:

var value = [{a: 30310}, {b: 100303}, {c: 3040494}, {d: 6542321}, {e: 13123531}]

Tests:

Lodash forEach
_.forEach(value, function(v,i) {console.log(v)})
Native foreach
value.forEach(function(v,i) {console.log(v)})

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Lodash forEach
Native foreach

Fastest: N/A

Slowest: N/A

Autogenerated LLM Sumamry (model llama3.2:3b, generated 4 days ago):

LLMs can make mistakes. Check important info.

I'll break down the provided benchmark definition and test cases to explain what's being tested, compared options, pros and cons, library usage, special JavaScript features, and alternatives.

**Benchmark Definition**

The benchmark is comparing two approaches for iterating over an array:

1. **Lodash `forEach`**: A function from the Lodash library that applies a provided function to each element in an array.
2. **Native `forEach`**: The built-in Array.prototype.forEach() method in JavaScript, which also applies a provided function to each element in an array.

**Options Compared**

The two options being compared are:

* Lodash's `forEach` implementation
* Native JavaScript's `forEach` implementation (built-in)

**Pros and Cons of Each Approach**

**Lodash `forEach`**

Pros:

* Possibly more readable and maintainable code, as the function name clearly indicates its purpose.
* May be more forgiving with edge cases or errors.

Cons:

* Adds an extra dependency to the project, requiring a library installation.
* Might introduce additional overhead due to the use of a separate function call.

**Native `forEach`**

Pros:

* No additional dependencies required.
* Optimized for performance and low-level memory management.

Cons:

* Requires more manual error handling and may be less readable if not used correctly.
* May behave differently in certain edge cases or environments.

**Library Usage: Lodash`

Lodash is a popular JavaScript utility library that provides a wide range of functions for common tasks, such as array manipulation, string formatting, and object creation. In this benchmark, the `forEach` function is being compared to the native implementation.

**Special JavaScript Features**

None mentioned in the provided code snippet. However, if you're interested in exploring other special features, consider:

* Async/await: Used for asynchronous operations, which can improve performance but also introduce complexities.
* Promises: Used for handling asynchronous operations and ensuring correct error handling.
* Generators: Used for creating iterators, which can simplify looping through large datasets.

**Alternative Implementations**

Other alternatives to Lodash's `forEach` or native JavaScript's `forEach` could include:

1. **Array.prototype.map()`: While not designed specifically for iterating over arrays, it can be used in combination with other functions (like Array.prototype.reduce()) to achieve similar results.
2. **For loops**: A traditional loop that iterates over an array using index variables can be more control-oriented but also more error-prone.

Keep in mind that the performance difference between these alternatives is usually negligible unless you're dealing with extremely large datasets or specific use cases where one implementation is significantly optimized for your needs.

I hope this explanation helps!

Latest run results:

Run details: (Test run date: 2 years ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.41 Safari/537.36

Browser/OS: Chrome 101 on Windows

View result in a separate tab

Test name	Executions per second
Lodash forEach	26496.7 Ops/sec
Native foreach	29311.4 Ops/sec

Related benchmarks:

Lodash foreach vs native foreach (version: 0)

Based on this measure https://www.measurethat.net/Benchmarks/Show/3470/0/lodash-foreach-vs-native-foreach

Comparing performance of: Lodash forEach vs Native foreach

Created: 4 years ago by: Guest

Jump to the latest result

Lodash forEach

Native foreach

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

Autogenerated LLM Sumamry (model llama3.2:3b, generated 4 days ago):