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big lodash vs nativejs foreach
(version: 0)
test speed
Comparing performance of:
lodash foreach vs nativejs foreach
Created:
4 years ago
by:
Guest
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HTML Preparation code:
<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.4/lodash.min.js"></script>
Script Preparation code:
obj = []; for (var i = 0, len = 10000; i < len; i++) { obj.push('value' + i); }
Tests:
lodash foreach
_.forEach(obj, value => console.log(value));
nativejs foreach
obj.forEach(value => console.log(value));
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
nativejs foreach
Fastest:
N/A
Slowest:
N/A
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's break down what's being tested on MeasureThat.net. **Benchmark Overview** The benchmark compares the performance of two approaches to iterate over an array: 1. Using the `_.forEach` method from Lodash, a popular JavaScript utility library. 2. Implementing a custom `forEach` loop using native JavaScript syntax. **Options Compared** The options being compared are: * **Lodash's `_forEach` method**: A pre-built function in Lodash that iterates over an array and executes a callback for each element. * **Native JavaScript's `forEach` loop**: A built-in method for iterating over arrays, which is implemented in the browser's engine. **Pros and Cons of Each Approach** 1. **Lodash's `_forEach` method**: * Pros: + Portable and consistent across different browsers and environments. + Handles edge cases like empty arrays and null or undefined values. + Can be used with other Lodash functions for chaining. * Cons: + Adds an external dependency (Lodash) that might not be included in the project's bundle. + Can have a slight performance overhead due to the function call. 2. **Native JavaScript's `forEach` loop**: * Pros: + Lightweight and doesn't add any external dependencies. + Can be optimized by the browser engine for better performance. * Cons: + May require additional setup or polyfills for older browsers. + Might not handle edge cases as elegantly as Lodash. **Library: Lodash** Lodash is a popular JavaScript utility library that provides a collection of functional programming helpers, including `_forEach`. It's designed to be used in conjunction with other functions and methods to simplify code. In this benchmark, the `_.forEach` method is being tested for its performance. **Special JS Feature/Syntax: None mentioned** There are no special JavaScript features or syntaxes being used in this benchmark that would require additional explanation. **Other Alternatives** If you need to iterate over an array, other alternatives to Lodash's `_forEach` method include: * `Array.prototype.forEach()`: A built-in method for iterating over arrays. * Other third-party libraries like Ramda or Fastify. * Custom implementation using a `for` loop or recursion. Keep in mind that the choice of iteration method depends on your specific use case, performance requirements, and personal preference.
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