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lodash vs json 2020.06.10
(version: 0)
Comparing performance of:
lodash vs json
Created:
5 years ago
by:
Guest
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HTML Preparation code:
<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>
Tests:
lodash
const myArr = ['😎😎😎😎', ['🐥🐥🐥🐥'], {myOtherArray: ['🦄🦄🦄🦄']}] const myDeepLodashClone = _.cloneDeep(myArr) myArr[0] = '🔥🔥🔥🔥' myArr[1] = ['🔥🔥🔥🔥'] myArr[2].myOtherArray[0] = '🔥🔥🔥🔥'
json
const myArr = ['😎😎😎😎', ['🐥🐥🐥🐥'], {myOtherArray: ['🦄🦄🦄🦄']}] const myJSONCopy = JSON.parse(JSON.stringify(myArr)) myArr[0] = '🔥🔥🔥🔥' myArr[1] = ['🔥🔥🔥🔥'] myArr[2].myOtherArray[0] = '🔥🔥🔥🔥'
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
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Test case name
Result
lodash
json
Fastest:
N/A
Slowest:
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's dive into the world of JavaScript microbenchmarks on MeasureThat.net. **Benchmark Overview** The provided benchmark compares two approaches to cloning and modifying an object: Lodash's `cloneDeep` function versus using the `JSON.parse(JSON.stringify())` method. The test case creates a nested array with multiple levels of nesting, and then updates various elements in the original array. **Options Compared** There are two options being compared: 1. **Lodash's `cloneDeep` function**: This is a popular utility function provided by Lodash that creates a deep copy of an object or array. 2. **JSON.parse(JSON.stringify()) method**: This is a built-in JavaScript method that creates a shallow copy of an object, but can be used to create a deep copy by passing the `deep` option as true. **Pros and Cons** ### Lodash's `cloneDeep` function Pros: * Provides a robust and flexible way to clone complex objects * Supports deep cloning with optional options (e.g., `deep: true`, `version: 4`) * Maintained by a reputable library with a large user base Cons: * Adds an extra dependency on the Lodash library * May have performance overhead due to the library's functionality ### JSON.parse(JSON.stringify()) method Pros: * Native to JavaScript and does not add an extra dependency * Fast and lightweight, making it suitable for performance-critical applications Cons: * Only creates a shallow copy of objects, which may not be sufficient for all use cases * Requires careful handling of cyclic references or object properties with non-standard types (e.g., dates, sets) **Library: Lodash** Lodash is a popular JavaScript utility library that provides over 100 useful functions for tasks like array manipulation, object manipulation, and more. The `cloneDeep` function is one of its most popular exports, making it easy to clone complex objects in various programming languages. **Special JS Feature/Syntax** There are no special JavaScript features or syntax mentioned in the benchmark. However, note that using `JSON.parse(JSON.stringify())` requires careful handling of cyclic references and object properties with non-standard types, which may not be immediately apparent for all developers. **Other Alternatives** If you need to clone objects or arrays in other contexts, consider these alternatives: * **Using the `Array.prototype.slice()` method**: Creates a shallow copy of an array. * **Using the `Object.assign()` method**: Copies properties from an object onto another object. * **Using a library like Immutable.js**: Provides immutable data structures and cloning functionality. When choosing between these alternatives, consider factors like performance requirements, code readability, and the specific needs of your project.
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