Benchmark: 1k1po2jjajsjsapa

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/npm/lodash@4.17.21/lodash.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:

N
arr2.forEach(function (element, index) { element = element*2; });
L
_.each(arr2, function (element, index) { element = element*2; });

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
N
L

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.

I'll break down the provided benchmark and explain what's being tested, along with the pros and cons of different approaches.

**Benchmark Overview**

The benchmark is designed to test the performance of two JavaScript methods: `forEach` and `_each` (from the Lodash library). The test cases aim to measure the execution speed of these methods when iterating over an array and performing a simple operation on each element (in this case, multiplying it by 2).

**Script Preparation Code**

The script preparation code defines three arrays, `arr1`, `arr2`, and `arr3`, with different sizes (100 Thousand, 10 Million, and 100 Million elements respectively). The purpose of these arrays is to serve as a test input for the benchmark.

**Html Preparation Code**

The HTML preparation code includes a script tag that loads the Lodash library (version 4.17.21) from a CDN. This library provides the `_each` method, which is used in one of the benchmark test cases.

**Test Cases**

There are two test cases:

1. **N (Normal)**: Uses the built-in `forEach` method to iterate over the `arr2` array and multiply each element by 2.
2. **L (Lodash)**: Uses the `_each` method from Lodash to iterate over the `arr2` array and multiply each element by 2.

**Pros and Cons of Different Approaches**

*   Using the built-in `forEach` method:
    *   Pros:
        *   Widely supported in most modern browsers.
        *   Easy to understand and implement.
    *   Cons:
        *   May not be optimized for performance, as it's a standard JavaScript method.
        *   May have variable performance depending on the browser and JavaScript engine used.
*   Using the `_each` method from Lodash:
    *   Pros:
        *   Optimized for performance, as it's a specialized function designed to iterate over arrays.
        *   Provides a more readable and concise way of iterating over arrays.
    *   Cons:
        *   Requires including the Lodash library in your HTML file (as shown in the `Html Preparation Code`).
        *   May not be supported in older browsers or JavaScript engines.

**Library: Lodash**

Lodash is a popular JavaScript utility library that provides a wide range of functions for tasks such as array manipulation, string formatting, and functional programming. The `_each` method is part of the Lodash collection and is used to iterate over arrays while executing a callback function on each element.

**Special JS Feature or Syntax: None**

There are no special JavaScript features or syntaxes being tested in this benchmark. It's purely focused on testing the performance of the `forEach` and `_each` methods when working with arrays.

**Other Alternatives**

If you're looking for alternative libraries to Lodash, you could consider:

*   **ES6 Iterators**: Many modern browsers support ES6 iterators, which provide a similar functionality to the `_each` method.
*   **Array.prototype.forEach.call()**: This method is available in most modern browsers and provides an alternative way of iterating over arrays using the `forEach` method.

However, it's worth noting that these alternatives may not offer the same level of performance or conciseness as the Lodash `_each` method.

Related benchmarks:

1k1po2jjajsjsapa (version: 0)

aaaaa

Comparing performance of: N vs L

Created: 3 years ago by: Guest

Jump to the latest result

N

L

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):