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lodash.each vs lodash.forEach
(version: 0)
tv
Comparing performance of:
lodash.each vs native
Created:
3 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 value = [{a: 30310}, {b: 100303}, {c: 3040494}]
Tests:
lodash.each
_.each(value, function(v,i) {})
native
_.forEach(function(v,i) {})
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
lodash.each
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 explain what's being tested. **Benchmark Definition** The benchmark is comparing two approaches: `_.each` (a function from the Lodash library) and a native implementation of the `.forEach()` method. **Options Compared** The options being compared are: 1. **Lodash `_.each`**: This is a utility function that iterates over an array using a callback function. 2. **Native `.forEach()` method**: This is a built-in method in JavaScript that allows iterating over arrays and executing a callback function for each element. **Pros and Cons** * **Lodash `_.each`**: + Pros: Easy to use, provides a convenient way to iterate over arrays with a single function. + Cons: Adds overhead due to the library being loaded, may not be as optimized as native code. * **Native `.forEach()` method**: + Pros: Optimized for performance, no additional overhead from loading a library. + Cons: Requires manual implementation of the iteration logic. **Library and Its Purpose** The Lodash library is a popular utility belt for JavaScript that provides a collection of functional programming helpers. In this benchmark, `_.each` is used to iterate over an array and execute a callback function for each element. **Special JS Feature or Syntax** There are no special JavaScript features or syntax being tested in this benchmark. The focus is on comparing the performance of two iteration methods: Lodash's `.each` and the native `.forEach()` method. **Other Alternatives** If you're looking for alternative ways to iterate over arrays, here are a few options: 1. **Array.prototype.forEach()**: This is another built-in method that allows iterating over arrays using a callback function. 2. **For...of loop**: This is a newer syntax in JavaScript that allows iterating over arrays and other iterable objects without the need for a callback function. 3. **Map.iterate()**: If you're working with a Map object, you can use its `iterate()` method to iterate over its entries. In conclusion, this benchmark provides valuable insights into the performance of Lodash's `.each` and the native `.forEach()` method. It helps developers understand the trade-offs between using a library versus writing custom code for iteration tasks.
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