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Lodash.get vs Property dot notation for defaults
(version: 0)
Comparing performance of:
Lodash get vs Native
Created:
6 years ago
by:
Guest
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HTML Preparation code:
<script src="https://cdn.jsdelivr.net/lodash/4.16.0/lodash.min.js"></script>
Script Preparation code:
var person = {name: 'Frederick', lastName: 'Corcino Alejo'};
Tests:
Lodash get
_.get(person, 'age', 0);
Native
person.age || 0
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
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Test case name
Result
Lodash get
Native
Fastest:
N/A
Slowest:
N/A
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
I'll break down the provided JSON and explain what's being tested. **Benchmark Definition** The benchmark is comparing two approaches to access a default value: Lodash's `_.get()` method and the native JavaScript syntax of using the OR operator (`||`) with a default value. **Options Compared** 1. **Lodash's `_get()` method**: This is a utility function from the Lodash library that retrieves a nested property from an object, providing a default value if the key is not present. 2. **Native JavaScript syntax (using `||`)**: This approach uses the OR operator (`||`) to access the `age` property of the `person` object. If the `age` property is null or undefined, it returns 0 as a default value. **Pros and Cons** * **Lodash's `_get()` method**: + Pros: Provides a concise way to access nested properties with default values, can handle complex paths. + Cons: Requires an external library (Lodash), may have overhead due to function call. * **Native JavaScript syntax (using `||`)**: + Pros: Lightweight and efficient, no external dependencies required. + Cons: Can be less readable for more complex cases, may lead to unexpected behavior if not used carefully. **Library** The Lodash library is a popular utility belt that provides many functional programming helpers. In this case, the `_get()` method is specifically designed for accessing nested properties with default values. **Special JavaScript Feature/Syntax** There's no special JavaScript feature or syntax being tested in this benchmark. It's purely about comparing two conventional approaches to access a default value. **Other Alternatives** If you wanted to use alternative approaches, some options could be: * Using the `in` operator (e.g., `person.age in person ? 0 : undefined`) instead of `||`. * Utilizing the optional chaining operator (`?.`) (e.g., `person?.age || 0`) if your JavaScript version supports it. * Employing a custom function or helper to achieve the desired behavior. Keep in mind that these alternatives might introduce additional complexity, and the Lodash `_get()` method is often preferred for its concise and readable syntax.
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