Benchmark: lodash.each vs lodash.forEach

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) {})
native
_.forEach(function(v,i) {})

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
lodash.each
native

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 25 days ago):

LLMs can make mistakes. Check important info.

Let's break down the benchmark and explain what's being tested.

**Benchmark Definition**

The benchmark is comparing two approaches: `_.each` (a function from the Lodash library) and a native implementation of the `.forEach()` method.

**Options Compared**

The options being compared are:

1. **Lodash `_.each`**: This is a utility function that iterates over an array using a callback function.
2. **Native `.forEach()` method**: This is a built-in method in JavaScript that allows iterating over arrays and executing a callback function for each element.

**Pros and Cons**

* **Lodash `_.each`**:
	+ Pros: Easy to use, provides a convenient way to iterate over arrays with a single function.
	+ Cons: Adds overhead due to the library being loaded, may not be as optimized as native code.
* **Native `.forEach()` method**:
	+ Pros: Optimized for performance, no additional overhead from loading a library.
	+ Cons: Requires manual implementation of the iteration logic.

**Library and Its Purpose**

The Lodash library is a popular utility belt for JavaScript that provides a collection of functional programming helpers. In this benchmark, `_.each` is used to iterate over an array and execute a callback function for each element.

**Special JS Feature or Syntax**

There are no special JavaScript features or syntax being tested in this benchmark. The focus is on comparing the performance of two iteration methods: Lodash's `.each` and the native `.forEach()` method.

**Other Alternatives**

If you're looking for alternative ways to iterate over arrays, here are a few options:

1. **Array.prototype.forEach()**: This is another built-in method that allows iterating over arrays using a callback function.
2. **For...of loop**: This is a newer syntax in JavaScript that allows iterating over arrays and other iterable objects without the need for a callback function.
3. **Map.iterate()**: If you're working with a Map object, you can use its `iterate()` method to iterate over its entries.

In conclusion, this benchmark provides valuable insights into the performance of Lodash's `.each` and the native `.forEach()` method. It helps developers understand the trade-offs between using a library versus writing custom code for iteration tasks.

Latest run results:

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

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.0.0 Safari/537.36

Browser/OS: Chrome 101 on Linux

View result in a separate tab

Test name	Executions per second
lodash.each	4617861.5 Ops/sec
native	5891003.0 Ops/sec

Related benchmarks:

lodash.each vs lodash.forEach (version: 0)

tv

Comparing performance of: lodash.each vs native

Created: 2 years ago by: Guest

Jump to the latest result

lodash.each

native

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 25 days ago):