Benchmark: lodash.each vs ES6 FOR vs Native - v.2

HTML Preparation code:

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

Script Preparation code:

var value = {a: 30310, b: 100303, c: 3040494}

Tests:

lodash.each
_.each(value, function(v,i) {})
ES6
for (const key of Object.keys(value)) {}
Native
Object.keys(value).forEach(function(key) {})

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
lodash.each
ES6
Native

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 6 months ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/141.0.0.0 Safari/537.36

Browser/OS: Chrome 141 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
lodash.each	27397206.0 Ops/sec
ES6	98551408.0 Ops/sec
Native	96461400.0 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 JSON data to understand what is being tested and the different approaches compared.

**Benchmark Overview**

The benchmark measures the performance of three approaches:

1. `_.each` from Lodash: a functional programming library that provides utility functions for working with arrays, objects, and more.
2. ES6 `for...of` loop: a built-in JavaScript loop that iterates over iterable objects like arrays and sets.
3. Native ( Firefox's own implementation): the optimized version of the loop used by Firefox itself.

**Options Compared**

The benchmark compares these three approaches on the same test data, which is an object with three properties (`a`, `b`, and `c`). The goal is to measure how many executions per second each approach can perform on this data.

**Pros and Cons of Each Approach:**

1. **Lodash `.each`**: This method uses a functional programming style to iterate over the object's properties. It's concise and readable, but may incur overhead due to the function call and object lookups.
	* Pros: easy to write and understand, flexible, and works with various data types.
	* Cons: slower than native loops due to additional overhead.
2. **ES6 `for...of` loop**: This is a built-in JavaScript loop that's designed for modern JavaScript development. It's efficient and readable but may require more setup compared to Lodash.
	* Pros: fast, lightweight, and widely supported across browsers and platforms.
	* Cons: requires knowledge of the specific syntax and may not work with older JavaScript versions or specific browser implementations.
3. **Native (Firefox's implementation)**: This is the optimized loop used by Firefox itself. It's likely to be the fastest option but may require more expertise to understand and optimize.

**Library Used**

The `lodash.each` function is part of the Lodash library, which provides a collection of functional programming utilities for working with arrays, objects, and more. The library aims to provide a consistent and predictable way to perform common operations, making it easier to write concise and readable code.

**Special JavaScript Feature or Syntax**

There's no specific special feature or syntax mentioned in the benchmark data. However, note that ES6 introduces several new features, including `for...of`, `const`, `let`, and others, which can be used to simplify and improve code readability.

**Other Alternatives**

If you're looking for alternative implementations or approaches, consider:

* Using a different JavaScript library, like Underscore.js (similar to Lodash) or Ramda.
* Exploring other iteration methods, such as `forEach` on the array itself or using `map()` and `reduce()`.
* Implementing a custom loop optimized for your specific use case.

Keep in mind that benchmark results may vary depending on the specific test data, browser versions, and platform configurations.

Related benchmarks:

lodash.each vs ES6 FOR vs Native - v.2 (version: 0)

Comparing performance of: lodash.each vs ES6 vs Native

Created: 7 years ago by: Guest

Jump to the latest result

lodash.each

ES6

Native

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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