Benchmark: lodash map vs Object.keys map 12345

HTML Preparation code:

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

Script Preparation code:

  var list = [];
  for (var i = 0; i<1000; i++) {
  	list.push(i);
  }
  
  var add1 = function(element){return element + 1;};

Tests:

lodash.map
_.map(list, add1)
native
list.map(add1)

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
lodash.map
native

Fastest: N/A

Slowest: N/A

Latest run results:

No previous 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 break down the benchmark and explain what's being tested.

**Benchmark Overview**

The benchmark compares two approaches:

1. **Lodash.map**: Using the `_.map` function from the Lodash library to transform an array of numbers.
2. **Native Map**: Using the built-in `map` function on a plain JavaScript array (without Lodash).

**Options Compared**

The options being compared are:

* Using the Lodash library (`_.map`) vs
* Using the native `map` function (without Lodash)

**Pros and Cons of Each Approach**

* **Lodash.map**: Pros:
	+ Provides a robust and well-maintained implementation of array transformations.
	+ Offers features like memoization, which can improve performance for repeated calculations.
Cons:
	+ Adds an external dependency (the Lodash library), which may not be desirable in all scenarios.
	+ May introduce overhead due to the library's complexity.
* **Native Map**: Pros:
	+ Eliminates the need for an external library.
	+ Can provide better performance due to reduced overhead.
Cons:
	+ Requires a good understanding of JavaScript's array methods and their implementation details.

**Library: Lodash**

Lodash is a popular utility library that provides a wide range of functions for working with arrays, objects, and more. The `_.map` function is one of its most commonly used functions, which applies a given function to each element of an array, returning a new array with the results.

In this benchmark, Lodash's `_.map` function is used to transform the array of numbers by adding 1 to each element.

**Special JS Feature or Syntax**

There doesn't appear to be any special JavaScript features or syntax being used in these benchmarks. The code is straightforward and follows standard JavaScript practices.

**Alternatives**

If you're interested in exploring alternative approaches, here are a few options:

* **Other array transformation libraries**: There are other utility libraries that offer similar functionality to Lodash, such as Underscore.js or Ramda.
* **Built-in Array.prototype.map**: As mentioned earlier, the native `map` function on a plain JavaScript array can be used instead of Lodash's implementation.

Related benchmarks:

lodash map vs Object.keys map 12345 (version: 0)

lodash map vs Object.keys map

Comparing performance of: lodash.map vs native

Created: 7 years ago by: Guest

Jump to the latest result

lodash.map

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):