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lodash forEach vs array.forEach
(version: 0)
Comparing performance of:
lodash.forEach vs native
Created:
7 years ago
by:
Guest
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HTML Preparation code:
<script src="https://cdn.jsdelivr.net/lodash/4.16.0/lodash.min.js"></script>
Script Preparation code:
var values = [{a: 30310}, {b: 100303}, {c: 3040494}]
Tests:
lodash.forEach
var count = 0; _.forEach(values, function(v,i) { if (v.a != null) { count++; } })
native
var count = 0; values.forEach(function(v,i) { if (v.a != null) { count++; } })
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
lodash.forEach
native
Fastest:
N/A
Slowest:
N/A
Latest run results:
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's break down the provided JSON data and explain what's being tested. **Benchmark Definition** The benchmark is comparing two approaches: using Lodash's `forEach` method and the built-in `forEach` method of JavaScript arrays (`array.forEach`). **Options Compared** 1. **Lodash's `forEach`**: This approach uses the `_` alias from Lodash, a popular utility library for JavaScript. The `forEach` function is designed to iterate over an array-like object and execute a provided callback function for each element. 2. **Built-in `array.forEach`**: This approach uses the standard `forEach` method of JavaScript arrays, which is also designed to iterate over an array-like object and execute a provided callback function for each element. **Pros and Cons** * **Lodash's `forEach`**: + Pros: Lodash provides additional functionality beyond just iteration, such as handling null values, reducing memory allocation, and providing more flexibility in the callback function. + Cons: Using a library adds an extra dependency and might introduce performance overhead due to the overhead of importing and initializing the library. * **Built-in `array.forEach`**: + Pros: This approach is lightweight and doesn't require any additional dependencies. It's also optimized for performance, as it's part of the JavaScript standard library. + Cons: The built-in implementation might be less flexible than Lodash's version, especially when dealing with edge cases or advanced iteration logic. **Library** The Lodash library used in this benchmark is a popular utility library that provides a wide range of functions for common tasks, such as array manipulation, string manipulation, and object manipulation. In this case, the `forEach` function is used to iterate over an array. **Special JS Feature or Syntax** There's no special JavaScript feature or syntax being tested in this benchmark. The focus is on comparing two different iteration approaches: using a utility library (`Lodash`) versus the built-in implementation of the same functionality (`array.forEach`).
Related benchmarks:
lodash.each vs Object.forEach
Lodash _.forEach vs Object forEach
lodash .forEach vs JS forEach
lodash foreach vs forEach
Lodash foreach vs native foreach
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