Benchmark: Lodash.js vs Native,k

HTML Preparation code:

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

Script Preparation code:

var max1 = 100000; // 100,000 (100 Thousand)
var max2 = 10000000; // 10,000,000 (10 Million)
var max3 = 100000000; // 100,000,000 (100 Million)

var arr1 = [];
//for (var i = 0; i <= max1; i++) { arr1.push(i); }

var arr2 = [];
for (var i = 0; i <= max2; i++) { arr2.push(i); }

var arr3 = [];
//for (var i = 0; i <= max3; i++) { arr3.push(i); }

Tests:

Native
arr2.forEach(function (element, index) { element = element*2; });
Lodash.js filter
_.each(arr2, function (element, index) { element = element*2; });

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Native
Lodash.js filter

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 dive into the world of JavaScript microbenchmarks on MeasureThat.net.

**Benchmark Overview**

The provided benchmark is designed to compare the performance of two approaches: using native JavaScript and using the popular utility library Lodash.js. The benchmark tests how efficiently these two methods can iterate over an array, perform a simple operation (element multiplication), and measure the resulting performance.

**Script Preparation Code**

The script preparation code creates three arrays with different sizes (100k, 10M, and 100M elements). These arrays will serve as the input data for our benchmark. The scripts also initialize two variables (`arr1` and `arr2`) to hold these arrays.

**Html Preparation Code**

The HTML preparation code includes a script tag that loads the Lodash.js library (specifically, the `lodash.fp.min.js` file). This indicates that the next test cases will use Lodash.js functions.

**Individual Test Cases**

There are two individual test cases:

1. **Native**: This test case uses native JavaScript's `forEach` method to iterate over the `arr2` array, multiply each element by 2, and execute this operation.
2. **Lodash.js filter**: This test case uses Lodash.js's `_each` function (specifically, the `_.each` function from the `lodash.fp` module) to iterate over the `arr2` array, multiply each element by 2, and execute this operation.

**Pros and Cons of Different Approaches**

* **Native JavaScript (`forEach`)**:
	+ Pros: Native performance, no dependencies on external libraries.
	+ Cons: May require more manual effort for iteration and operations, less readable code for complex logic.
* **Lodash.js (`_.each`)**:
	+ Pros: Convenient and expressive way to iterate over arrays with built-in functions, easier to read and maintain.
	+ Cons: External dependency on the Lodash library, may introduce additional overhead.

**Library Used (Lodash.js)**

The `lodash.fp` module provides functional programming utilities for JavaScript. The `_each` function is a part of this module, which iterates over an array with a callback function. In this benchmark, `_each` is used to multiply each element in the `arr2` array by 2.

**Special JS Feature or Syntax**

There are no special JavaScript features or syntax mentioned in this benchmark that require any specific knowledge or expertise.

**Other Alternatives**

If you're interested in exploring alternative approaches for similar benchmarks, consider the following:

* Using other utility libraries like Ramda.js, Underscore.js, or Immutable.js.
* Implementing custom iteration and operation logic using native JavaScript.
* Utilizing parallel processing or multi-threading techniques to speed up computations (if applicable).

In summary, this benchmark provides a simple yet informative comparison between using native JavaScript's `forEach` method and Lodash.js's `_each` function for array iteration with element multiplication.

Related benchmarks:

Lodash.js vs Native,k (version: 0)

Comparing performance of: Native vs Lodash.js filter

Created: 6 years ago by: Guest

Jump to the latest result

Native

Lodash.js filter

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):