Toggle navigation
MeasureThat.net
Create a benchmark
Tools
Feedback
FAQ
Register
Log In
Lodash IsEmpty hmm
(version: 0)
Comparing performance of:
lenght vs _.isEmpty
Created:
4 years ago
by:
Guest
Jump to the latest result
HTML Preparation code:
<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>
Script Preparation code:
var arr = ['a', 'b', 'c'];
Tests:
lenght
var a = arr?.lenght === 0
_.isEmpty
var a = _.isEmpty(arr)
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
Fork
Test case name
Result
lenght
_.isEmpty
Fastest:
N/A
Slowest:
N/A
Latest run results:
No previous run results
This benchmark does not have any results yet. Be the first one
to run it!
Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's break down the provided JSON data to understand what's being tested and the different approaches being compared. **Benchmark Definition** The benchmark definition is a JavaScript expression that will be executed multiple times to measure its performance. In this case, there are two test cases: 1. `lenght`: This test case uses the nullish coalescing operator (`??`) to access the `length` property of an array. The intention is to check if the array is empty. 2. `_.isEmpty(arr)`: This test case uses a library function from Lodash, a popular utility library for JavaScript, to check if an array is empty. **Options Compared** The two approaches being compared are: 1. Using the nullish coalescing operator (`??`) in JavaScript. 2. Using a library function from Lodash (`_.isEmpty(arr)`). **Pros and Cons of Each Approach** **Nullish Coalescing Operator (??)** Pros: * Lightweight: The nullish coalescing operator is a built-in JavaScript operator, making it lightweight and easy to implement. * Native support: Since it's a built-in operator, it has native support in most browsers and Node.js environments. Cons: * Limited control: Using the nullish coalescing operator can limit the ability to handle edge cases or provide more informative error messages. **Lodash `.isEmpty()` function** Pros: * Reusable utility: The Lodash `.isEmpty()` function is a reusable utility that can be used in multiple contexts, making it easier to maintain and reuse. * Better error handling: This approach provides better control over error handling, as the library function will throw an error if the input is not an array. Cons: * Additional dependency: Using Lodash introduces an additional dependency, which may impact performance or add complexity to the project. **Other Considerations** * The use of a nullish coalescing operator is a relatively new feature in JavaScript (introduced in ECMAScript 2020). While it's widely supported, older browsers and environments might not have this operator available. * Lodash has a wide range of utility functions, but relying on an external library can add complexity to the project. **Library: Lodash** Lodash is a popular utility library for JavaScript that provides a set of high-quality, reusable functions. The `.isEmpty()` function is one of the many utility functions available in Lodash. In this benchmark, using the nullish coalescing operator (`??`) provides an alternative to relying on a third-party library like Lodash. However, it's essential to consider the trade-offs between code complexity, performance, and maintainability when choosing an approach. **Special JS Feature/Syntax: None** There are no special JavaScript features or syntax used in this benchmark that require explanation. As for alternatives to Lodash, some popular alternatives include: * Underscore.js (another utility library) * Ramda (a functional programming library) * Built-in JavaScript methods (e.g., `Array.prototype.length`) Ultimately, the choice of approach depends on the specific requirements and constraints of your project.
Related benchmarks:
Length vs Lodash Size
Lodash IsEmpty
Lodash IsEmpty Test
my test lodash vs native
Comments
Confirm delete:
Do you really want to delete benchmark?