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forEach Lodash vs Vanilla
(version: 1)
Comparing performance of:
Lodash vs Vanilla
Created:
6 years ago
by:
Registered User
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HTML Preparation code:
<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.15/lodash.min.js"></script>
Script Preparation code:
var data = [ {a: 'olo', b: 'trolo'}, {a: 'trolo', b: 'sdf'}, {a: 'olo', b: 'ewr'}, {a: 'olo', b: 'dfgdf'}, {a: 'trolo', b: 'trolo'}, ]
Tests:
Lodash
var result = _.each(data, (o) => console.log(o.a))
Vanilla
var result = data.forEach( (o) => console.log(o.a))
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
Lodash
Vanilla
Fastest:
N/A
Slowest:
N/A
Latest run results:
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
I'd be happy to explain what's being tested in the provided JSON benchmark. **Benchmark Overview** The benchmark compares the performance of two approaches: using Lodash's `each` function and using vanilla JavaScript's `forEach` method. Both functions are designed to iterate over an array and execute a callback function for each element. **Options Being Compared** There are only two options being compared: 1. **Lodash's `each` function**: This is a higher-order function that takes three arguments: the array to be iterated over, the callback function to be executed for each element, and an optional second argument (which is not used in this benchmark). 2. **Vanilla JavaScript's `forEach` method**: This is a built-in method of arrays in JavaScript that executes a provided callback function once for each element in the array. **Pros and Cons** Here are some pros and cons of each approach: **Lodash's `each` function:** Pros: * Simplifies code and reduces boilerplate (no need to specify length, index, etc.) * Can be more readable and maintainable Cons: * Adds external dependency on Lodash * May incur a small overhead due to the additional library **Vanilla JavaScript's `forEach` method:** Pros: * No external dependencies required * Fast and lightweight Cons: * Requires manual handling of length, index, etc. * Can be less readable and maintainable for complex iterations **Library and Purpose (Lodash)** Lodash is a popular utility library for JavaScript that provides a wide range of functions for tasks like array manipulation, functional programming, and more. The `each` function is one of its many useful tools for iterating over arrays. **Special JS Feature or Syntax (None)** There are no special JavaScript features or syntax used in this benchmark that would require explanation. **Other Alternatives** If you're interested in exploring other alternatives to Lodash's `each` function or vanilla JavaScript's `forEach` method, here are a few options: * Using `map()` and `reduce()` instead of `forEach` for more functional programming approaches * Using a library like Ramda orImmutable.js for more functional programming approaches with type safety * Implementing your own custom iteration functions using a loop (not recommended for production code) Keep in mind that the choice of approach depends on your specific use case, performance requirements, and personal preference.
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