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lodash foreach vs native foreach (mmr)
(version: 0)
Comparing performance of:
lodash vs native
Created:
6 years ago
by:
Guest
Jump to the latest result
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
value.forEach(value, function(v,i) {console.log(v)})
native
value.some(function(v,i) {console.log(v)})
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):
I'll break down the benchmark and explain what's being tested. **Benchmark Overview** The provided benchmark is testing two approaches for iterating over arrays: Lodash `forEach` and native `forEach`. The benchmark compares these two approaches in terms of performance, specifically looking at the execution time per second (`ExecutionsPerSecond`) on a Chrome 75 browser running on a Fedora Linux desktop. **Options Compared** * **Lodash `forEach`:** This approach uses the `lodash.forEach` function to iterate over the array. The `forEach` method applies a provided callback function to each element in an array, returning no value (i.e., `undefined`). * **Native `forEach`:** This approach uses the native `forEach` method of JavaScript arrays to iterate over the array. **Pros and Cons** ### Lodash `forEach` Pros: * Widely adopted and well-maintained library with a large community. * Provides a lot of functionality beyond just iteration (e.g., map, filter, assign). Cons: * Adds extra overhead due to the additional function call and object reference. * May not be as efficient as native methods for simple iterations. ### Native `forEach` Pros: * Built-in to JavaScript and optimized for performance. * No additional library dependencies or overhead. * Suitable for simple iteration use cases. Cons: * Not as widely adopted as Lodash, with a smaller community. * May require more boilerplate code for complex iterations (e.g., using `map` and then `forEach`). **Library: Lodash** Lodash is a popular JavaScript utility library that provides a wide range of functions for common tasks, such as array manipulation, string processing, and functional programming helpers. The `forEach` function is one of its most commonly used utilities. **Special JS Feature/Syntax: None** This benchmark does not use any special JavaScript features or syntax beyond standard ES6+ syntax. **Alternative Approaches** Other alternatives for iterating over arrays include: * Using a traditional `for` loop (not shown in this benchmark). * Using the `Array.prototype.forEach.call()` method, which achieves similar results to native `forEach`. * Using libraries like Ramda, which provides a functional programming API with its own iteration methods. **Benchmark Preparation Code** The provided script preparation code sets up an array `value` with five elements and defines two functions: one using Lodash's `forEach` function and another using the native `forEach` method. The HTML preparation code includes a link to the Lodash library, which is loaded before running the benchmark. **Individual Test Cases** The individual test cases are defined in the `Benchmark Definition` JSON array. Each case has a unique `Benchmark Definition` string that represents the JavaScript code being executed (e.g., `value.forEach(value, function(v,i) {console.log(v)})`). The `Test Name` field is used to identify each test case.
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