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lodash .foreach vs native foreach (not against console!)
(version: 0)
Comparing performance of:
lodash vs native
Created:
3 years ago
by:
Guest
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HTML Preparation code:
<script src='https://cdn.jsdelivr.net/npm/lodash@4.17.10/lodash.min.js'></script>
Script Preparation code:
var value = [{a: 30310}, {b: 100303}, {c: 3040494}, {d: 6542321}, {e: 13123531}]
Tests:
lodash
_.each(value, Math.sqrt)
native
value.forEach(Math.sqrt)
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
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Test case name
Result
lodash
native
Fastest:
N/A
Slowest:
N/A
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's dive into the world of MeasureThat.net and explore the JavaScript microbenchmarking. **Benchmark Overview** The provided benchmark tests two approaches: using Lodash (`_.each`) versus native `forEach` (without console) for calculating the square root of an array of numbers. The goal is to compare the performance of these two methods. **Options Compared** Two options are being compared: 1. **Lodash `_each`**: The Lodash library provides a utility function called `_each`, which executes a callback function on each element in the given array. 2. **Native `forEach` (without console)**: This is the built-in JavaScript method `forEach`, which also executes a callback function on each element in an array. **Pros and Cons of Each Approach** * **Lodash `_each`**: + Pros: - Easy to use, as it's already implemented and provides a convenient interface for common iteration tasks. - Can be useful when you need to perform multiple operations on the same data structure (e.g., array). + Cons: - Adds an extra dependency to your codebase (the Lodash library). - May incur overhead due to the additional function call and execution of the callback function. * **Native `forEach` (without console)**: + Pros: - Faster, as it's a built-in method with minimal overhead. - No dependencies or overhead from an external library. + Cons: - Requires manual iteration over the array using the `forEach` method, which might be less readable for complex operations. **Library and Purpose** The Lodash library is a popular JavaScript utility library that provides various helper functions, including `_each`. Its primary purpose is to simplify common tasks, making it easier to write maintainable and efficient code. In this benchmark, Lodash's `_each` function is used to execute the `Math.sqrt` callback on each element in the `value` array. **Special JS Feature or Syntax** This benchmark does not explicitly use any special JavaScript features or syntax beyond the standard language. However, it relies on the existence of the native `forEach` method and Lodash's `_each` function, which are both widely supported by most modern browsers and Node.js environments. **Other Alternatives** If you prefer not to use a library like Lodash, you could consider using other iteration methods, such as: * `for...in`: an older way of iterating over arrays using a traditional loop. * `Array.prototype.map()` and `Array.prototype.forEach()`: while these methods are built-in, they're generally slower than native `forEach` due to the overhead of additional function calls. * Custom iteration loops or recursive functions: for more complex operations. Keep in mind that these alternatives might not provide the same level of convenience or readability as using a library like Lodash or native `forEach`.
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