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Latch - Lodash.isEqual vs JSON.stringify Equality Comparison for Shallow Array of Strings.
(version: 0)
Test on isEqual performance
Comparing performance of:
isEqual vs JSON.stringify
Created:
4 years ago
by:
Registered User
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HTML Preparation code:
<script type="module" src="https://cdn.jsdelivr.net/npm/lodash-es@4.17.21/lodash.min.js"></script>
Script Preparation code:
window.foo = ['cat', 'dog', 'bird']; window.bar = ['cat', 'dog', 'bird'];
Tests:
isEqual
_.isEqual(window.foo, window.bar)
JSON.stringify
JSON.stringify(window.foo) === JSON.stringify(window.bar);
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
isEqual
JSON.stringify
Fastest:
N/A
Slowest:
N/A
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's break down the provided benchmark JSON and explain what is being tested, compared, and the pros/cons of different approaches. **Benchmark Overview** The benchmark compares two equality comparison methods: `_.isEqual` from Lodash and a simple string comparison using `JSON.stringify`. **Lodash.isEqual vs JSON.stringify Equality Comparison** `_.isEqual` is a function that checks if two values are equal. In this benchmark, it's being tested with an array of strings (`window.foo` and `window.bar`). The purpose of this test is to evaluate the performance of `_.isEqual` compared to a simple string comparison using `JSON.stringify`. **Options Compared** 1. **Lodash.isEqual**: This function checks if two values are equal by recursively iterating through their elements. 2. **JSON.stringify Equality Comparison**: This method converts both values into strings and then compares them. **Pros/Cons of Different Approaches:** * **Lodash.isEqual**: + Pros: Can handle nested objects, arrays, and other data structures. + Cons: May have higher performance overhead due to recursive iteration. * **JSON.stringify Equality Comparison**: + Pros: Fast and lightweight, suitable for simple equality checks. + Cons: May not work correctly with non-serializable values (e.g., functions, undefined) or nested objects. **Libraries Used** In this benchmark, Lodash is used as a library to provide the `_.isEqual` function. Lodash is a popular JavaScript utility library that provides various helper functions for tasks like array manipulation, string manipulation, and more. **Special JS Features/Syntax: None Mentioned** There are no special JavaScript features or syntax mentioned in this benchmark. **Other Alternatives** If you're looking for alternative equality comparison methods, consider: * Using the `===` operator (which is built-in in JavaScript) * Implementing a custom equality check function * Using other libraries like Moment.js for date comparisons or Immutable.js for immutable data structures Keep in mind that the choice of equality comparison method depends on the specific use case and performance requirements. **Benchmark Preparation Code** The provided `Script Preparation Code` creates two global variables, `window.foo` and `window.bar`, which are both arrays of strings. The `Html Preparation Code` includes a script tag to load the Lodash library. By using these global variables, the benchmark ensures that both functions (`_.isEqual` and the simple string comparison) operate on identical data, making it easier to compare their performance.
Related benchmarks:
Lodash.isEqual vs JSON.stringify Equality Comparison for Shallow Array of Strings.
Lodash.isEqual vs JSON.stringify Equality Comparison for Shallow Array of Strings. Lodash v 4.17.11
Lodash.isEqual vs JSON.stringify Equality Comparison for Shallow Array of Strings. Testing 123
Lodash.isEqual vs JSON.stringify Equality Comparison for Shallow Array of Strings.s
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