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Lodash Difference
(version: 0)
Comparing performance of:
Lodash vs Native
Created:
3 years ago
by:
Guest
Jump to the latest result
HTML Preparation code:
<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.21/lodash.min.js'></script>
Script Preparation code:
var arrays = [[1, 2, 3, 4, 5], [5, 2, 10]];
Tests:
Lodash
console.log(_.difference([1, 2, 3, 4, 5], [5, 2, 10]))
Native
console.log(arrays.reduce((a, b) => a.filter(c => !b.includes(c))));
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
Lodash
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 benchmark and analyze what's being tested. **Benchmark Definition** The benchmark measures the performance of two approaches: using Lodash, a popular JavaScript utility library, versus a native implementation in JavaScript. **Options Compared** 1. **Lodash**: A JavaScript library that provides a wide range of functions for common tasks, such as array manipulation, string operations, and more. 2. **Native Implementation**: A custom JavaScript function that performs the same task without relying on an external library. **Pros and Cons** * Using Lodash: + Pros: Faster execution times, thanks to optimized C++ code under the hood. + Cons: Adds dependency on an external library, which may slow down page load times or increase bundle size. * Native Implementation: + Pros: No dependencies, potentially faster execution times due to native code execution. + Cons: Requires more manual effort to implement and maintain. **Library (Lodash)** Lodash is a popular JavaScript utility library that provides a wide range of functions for common tasks. The `difference` function, used in the benchmark, is just one example of its many useful features. Lodash's implementation of this function likely uses optimized C++ code to achieve faster execution times. **Special JS Feature/Syntax** None mentioned in the provided benchmark definition. **Other Considerations** * **Performance**: This benchmark specifically measures the performance difference between using an external library (Lodash) versus a native implementation. * **Code Size and Dependencies**: The use of Lodash adds size to the bundle and potential dependencies that may impact page load times or build processes. * **Readability and Maintainability**: The native implementation requires more manual effort to implement and maintain, potentially making it less readable and less maintainable than using a library like Lodash. **Alternatives** Other alternatives for similar tasks might include: 1. Other JavaScript libraries (e.g., moment.js, underscore.js). 2. Custom implementations using only vanilla JavaScript. 3. Using the `Array.prototype.filter()` method directly, as seen in the native implementation test case. 4. Other specialized libraries or frameworks that provide optimized array manipulation functions. In summary, this benchmark measures the performance difference between using Lodash and a native implementation for array manipulation tasks, highlighting the trade-offs between using an external library versus implementing custom code.
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