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lodash vs es6 in map method
(version: 0)
Comparing performance of:
lodash map method vs es6 map method
Created:
6 years ago
by:
Registered User
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HTML Preparation code:
<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>
Script Preparation code:
var array = [ { 'name': 'lim', 'age': 26 }, { 'name': 'kim', 'age': 28 }, { 'name': 'choi', 'age': 32 }, { 'name': 'park', 'age': 21 } ];
Tests:
lodash map method
var result = _.map(array, (arr) => { return arr.age > 26; });
es6 map method
var result = array.map((arr) => { return arr.age > 26; });
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
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Test case name
Result
lodash map method
es6 map method
Fastest:
N/A
Slowest:
N/A
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
**What is tested on the provided JSON?** The provided JSON represents a JavaScript microbenchmark test case for comparing the performance of two different approaches: Lodash's `map` function and the native ES6 `map` method. **Options compared** Two options are compared: 1. **Lodash's `map` function**: This is a popular utility library that provides various functions to manipulate arrays and objects. The `map` function applies a given callback function to each element of an array, returning a new array with the transformed values. 2. **Native ES6 `map` method**: This is a built-in JavaScript method that allows you to apply a transformation function to every element in an array. **Pros and cons** Here's a brief summary of the pros and cons of each approach: **Lodash's `map` function:** Pros: * Widely supported and well-maintained library with many utility functions. * Can be useful for complex transformations or when working with legacy codebases. Cons: * Adds overhead due to the need to include an external library. * May not be as fast as native JavaScript, especially for small arrays. **Native ES6 `map` method:** Pros: * Fast and lightweight, without the need for an additional library. * Takes advantage of modern JavaScript features. Cons: * Requires support for ES6+ syntax, which may not be available in older browsers or environments. * May require more manual testing to ensure compatibility with different browsers and versions. **Other considerations** * The test case uses a simple array transformation as the benchmark, so the results may not accurately reflect performance differences in more complex scenarios. * The use of Lodash's `map` function might skew the results towards older or less modern environments that still support the library. **Library used (Lodash)** Lodash is a popular JavaScript utility library developed by Isaac Schlueter. It provides various functions for manipulating arrays, objects, and strings, among other things. In this test case, Lodash's `map` function is used to transform an array of objects based on a given condition. **Special JS feature or syntax** The test case uses ES6+ syntax (specifically, the arrow function notation) in both benchmark definitions. This syntax is supported by modern JavaScript engines but may not be available in older browsers or environments.
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