Benchmark: lodash foreach, foreach

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/lodash/4.16.0/lodash.min.js"></script>

Script Preparation code:

var values = [{a: 30310}, {b: 100303}, {c: 3040494}]

Tests:

forEach lodash
var count = 0; _.forEach(values, function(v,i) { if (v.a != null) { count++; } })
forEach native
var count = 0; values.forEach(function(v,i) { if (v.a != null) { count++; } })

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
forEach lodash
forEach native

Fastest: N/A

Slowest: N/A

Latest run results:

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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 benchmark.

**Benchmark Overview**

The benchmark measures the performance difference between two approaches: using the native `forEach` method and using the Lodash library's `forEach` function.

**Options Compared**

Two options are compared:

1. **Native `forEach`**: This is the built-in array iteration method in JavaScript, which iterates over an array using a callback function.
2. **Lodash `forEach`**: This is a utility function from the Lodash library that provides a more flexible and expressive way to iterate over arrays.

**Pros and Cons**

Here are some pros and cons of each approach:

**Native `forEach`:**

Pros:

* Built-in, so no extra dependencies needed
* Typically faster since it's implemented in native code

Cons:

* Less expressive than Lodash's version
* May have limitations on iteration (e.g., not iterating over objects or sets)

**Lodash `forEach`:**

Pros:

* More expressive and flexible than the native `forEach`
* Can be used to iterate over various types of collections, including objects and sets

Cons:

* Slower since it's a JavaScript function
* Requires an extra dependency (the Lodash library)

**Library Used: Lodash**

Lodash is a popular utility library for JavaScript that provides a wide range of functions for common tasks, such as array manipulation, string manipulation, and more. The `forEach` function in Lodash allows you to iterate over arrays using a callback function, which can be more expressive and flexible than the native `forEach`.

**Special JS Feature or Syntax: None**

There are no special JavaScript features or syntax used in this benchmark.

**Other Alternatives**

If you need to iterate over an array, other alternatives to the native `forEach` method include:

* Using a traditional `for` loop
* Using the `map()` and `reduce()` methods
* Using a library like Lodash or Ramda for more expressive iteration

In summary, this benchmark compares the performance of two approaches to iterating over arrays: using the native `forEach` method versus using the Lodash library's `forEach` function. The choice between these options depends on your specific use case and requirements.

Related benchmarks:

lodash foreach, foreach (version: 0)

lodash foreach, foreach

Comparing performance of: forEach lodash vs forEach native

Created: 7 years ago by: Guest

Jump to the latest result

forEach lodash

forEach native

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):