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lodash isEmpty vs Vanilla JS
(version: 0)
Comparing performance of:
isEmpty with string/null vs "==" Comparison vs isEmpty with array vs Js includes
Created:
3 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>
Script Preparation code:
var data1 = null; var data2 = ""; var arr = ['', null];
Tests:
isEmpty with string/null
let a = _.isEmpty(data1)
"==" Comparison
let a = (data1 == data2)
isEmpty with array
let a = _.isEmpty(arr)
Js includes
let a = arr.includes(data1)
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (4)
Previous results
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Test case name
Result
isEmpty with string/null
"==" Comparison
isEmpty with array
Js includes
Fastest:
N/A
Slowest:
N/A
Latest run results:
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's dive into the provided benchmark. **Overview** The benchmark measures the performance of JavaScript code snippets using two approaches: Lodash and vanilla JavaScript. The test cases are designed to cover different scenarios, including string and array comparisons. **Lodash Library** Lodash is a popular JavaScript utility library that provides a collection of functions for common tasks, such as data manipulation, string manipulation, and more. In this benchmark, Lodash is used for the `_.isEmpty()` function, which checks if an object or array is empty. **Vanilla JavaScript Approach** The vanilla JavaScript approach uses native JavaScript methods to perform the same operations. For example, instead of using `_.isEmpty()`, the test case uses `(data1 == data2)` to check for equality. **Options Compared** Two options are compared in this benchmark: 1. **Lodash ( _.isEmpty )**: This option uses Lodash's `_.isEmpty()` function to check if an object or array is empty. 2. **Vanilla JavaScript ( data1 == data2 )**: This option uses a simple equality check using the `==` operator to compare two values. **Pros and Cons** Here are some pros and cons of each approach: * **Lodash (.isEmpty)**: + Pros: More expressive and readable code, especially for complex data structures. + Cons: Adds overhead due to the library's existence, which can impact performance. * **Vanilla JavaScript ( data1 == data2 )**: + Pros: Faster execution, as it uses native JavaScript methods without additional library overhead. + Cons: Less expressive and readable code, especially for complex comparisons. **Other Considerations** When choosing between these approaches, consider the following factors: * Performance-critical code: For critical sections of code where every millisecond counts, vanilla JavaScript might be a better choice to avoid Lodash's overhead. * Readability and maintainability: If code readability is essential, using Lodash can make the code more expressive and easier to understand. **Special JS Feature** There isn't any special JavaScript feature or syntax mentioned in this benchmark. The test cases use standard JavaScript operations like equality checks (`==`) and array methods (`includes()`). **Alternative Approaches** Other alternatives to consider: * **ES6 Optional Chaining (?.)**: This feature allows you to safely access nested properties without throwing errors. * **ES6 Array Methods**: For array manipulations, ES6 introduced methods like `filter()`, `map()`, and `some()`. * **Third-party libraries**: Depending on the specific use case, other libraries like Immutable.js or Ramda might be more suitable than Lodash. Keep in mind that each alternative has its pros and cons, and the choice ultimately depends on the project's requirements and your personal preferences as a developer.
Related benchmarks:
_.isEmpty vs Array.length
_.isEmpty vs. Array.length
isEmpty vs. vanilla
empty arr
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