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lodash.each vs lodash.forEach vs Object.forEach
(version: 0)
tv
Comparing performance of:
lodash.each vs native vs lodash.forEach
Created:
3 years ago
by:
Guest
Jump to the latest result
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
value.forEach(function(v,i) {})
lodash.forEach
_.forEach(value, function(v,i) {})
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (3)
Previous results
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Test case name
Result
lodash.each
native
lodash.forEach
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 is being tested. **Benchmark Overview** The benchmark compares three approaches for iterating over an array: native `forEach`, `lodash.each`, and `lodash.forEach`. The test case uses a predefined value array with 3 elements, each containing a different property (a, b, c) with varying values. **Options Compared** 1. **Native `forEach`**: This is the built-in JavaScript method for iterating over an array. It takes two arguments: a callback function and an optional thisArg. 2. **`lodash.each`**: A utility function from the Lodash library that iterates over an object (or array) and calls a provided callback function on each element. 3. **`lodash.forEach`**: Another utility function from Lodash, similar to `each`, but designed for arrays instead of objects. **Pros and Cons** * **Native `forEach`**: + Pros: Built-in method, easy to use, fast execution (due to native compilation). + Cons: May not be optimized for performance, less readable code due to callback function. * **`lodash.each`**: + Pros: More readable code, allows for early return functionality, and has a larger community of developers who have used it. + Cons: Requires importing Lodash library, adds overhead to execution (due to dynamic loading). * **`lodash.forEach`**: + Pros: Similar to `each`, but optimized for arrays, making it potentially faster than `each`. + Cons: Less readable code than `each`, requires importing Lodash library. **Library and Purpose** Lodash is a popular JavaScript utility library that provides various functions for tasks like array manipulation, object transformation, and more. In this benchmark, the two relevant functions are used to iterate over arrays: * `lodash.each`: Iterates over an object (or array) and calls a callback function on each element. * `lodash.forEach`: Iterates over an array and calls a callback function on each element. **Special JS Features or Syntax** None mentioned in this benchmark. However, it's worth noting that some modern JavaScript features like async/await, generators, and iterators might affect the execution of these methods. **Other Alternatives** If you want to explore other alternatives for iterating over arrays, here are a few options: * `Array.prototype.forEach()`: The built-in method is often used in conjunction with the `forEach` property on an array. * `for...of` loop: A modern approach to looping through arrays using a for loop with the of keyword. * `map()`, `filter()`, and `reduce()` methods: These methods can be used to transform, filter, or reduce an array, but may not provide the same level of iteration as `forEach`. Keep in mind that each approach has its trade-offs in terms of readability, performance, and ease of use. The choice ultimately depends on your specific requirements and coding style preferences.
Related benchmarks:
lodash.each vs Object.forEach
lodash.each vs Object.forEach
lodash.each vs Object.forEach vs Native for
lodash.each vs lodash.forEach
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