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loadsh vs ===
(version: 0)
Comparing performance of:
_.isEqual vs ===
Created:
4 years ago
by:
Guest
Jump to the latest result
HTML Preparation code:
<script src="https://cdn.jsdelivr.net/npm/lodash@4.17.4/lodash.min.js"></script>
Script Preparation code:
window.a = 2 window.b = 2
Tests:
_.isEqual
_.isEqual(a, b)
===
a === b
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
_.isEqual
===
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 definition and test cases for you. **Benchmark Definition** The benchmark definition is a JSON object that contains information about the benchmark to be run. The key fields are: * `Name`: A human-readable name for the benchmark (in this case, "loadsh vs ==="). * `Description`: An optional field with a brief description of the benchmark. * `Script Preparation Code`: A JavaScript code snippet that is executed before running the benchmark. In this case, it initializes two variables, `a` and `b`, to 2. * `Html Preparation Code`: A HTML code snippet that includes a script tag referencing a specific version of the Lodash library (v4.17.4). **Individual Test Cases** The individual test cases are an array of objects that define each test case for the benchmark. Each object contains: * `Benchmark Definition`: A string representing the actual JavaScript function or expression to be executed as part of the benchmark. * `Test Name`: A human-readable name for the test case (in this case, "_.isEqual" and "=="). **Library: Lodash** The Lodash library is a popular utility library for JavaScript that provides a wide range of functions for tasks such as string manipulation, array processing, and more. In this benchmark, the `lodash` library is included via the provided HTML code snippet. The `_.isEqual(a, b)` function is a specific implementation of the `isEqual` function provided by Lodash, which checks whether two values are equal using a deep equality check. **Special JavaScript Feature: String Interpolation** In the `Script Preparation Code`, there is a string interpolation using backticks (`) to insert values into a string. This is a syntax feature introduced in ECMAScript 2015 (ES6). It allows you to embed expressions inside strings, making it easier to generate dynamic content. **Pros and Cons of Different Approaches** The benchmark compares two approaches: 1. Using the `===` operator (equality comparison) versus 2. Using the `_.isEqual(a, b)` function from Lodash. **Pros:** * Using `===` is a simple and straightforward approach that leverages JavaScript's built-in equality checks. * It may be faster since it doesn't require an additional library call or the overhead of a deep equality check. **Cons:** * May not handle all edge cases, such as comparing objects with circular references or complex data structures. * Requires explicit usage of `===` in the test case implementation. **Using Lodash's `_.isEqual(a, b)` function:** Pros: * Handles more edge cases and complex data structures than a simple `===` comparison. * Is a reusable utility function that can be used elsewhere in the project. Cons: * Requires an additional library call, which may introduce overhead or dependencies not present with the pure `===` approach. * May be slower due to the overhead of the deep equality check. **Other Alternatives** If you wanted to run this benchmark on a different platform or environment, you could use alternative JavaScript engines or runtimes, such as: * Node.js (for server-side execution) * Browser-specific engines like V8 (used by Google Chrome and Mozilla Firefox) * Other JavaScript interpreters or virtual machines Keep in mind that the performance results may vary depending on the specific implementation, environment, and hardware used.
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