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Test lodash join
(version: 0)
Comparing performance of:
Spreading array vs Not Spreading array
Created:
4 years ago
by:
Guest
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HTML Preparation code:
<script src="https://cdn.jsdelivr.net/npm/lodash@4.17.4/lodash.min.js"></script>
Script Preparation code:
var terms = ['foo', 'bar', 1, '', null, undefined]; var joinWithCommas = (...terms) => _.join(_.compact(terms), ', '); var joinWithCommas2 = (terms) => _.join(_.compact(terms), ', ');
Tests:
Spreading array
joinWithCommas(...terms);
Not Spreading array
joinWithCommas2(terms);
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
Spreading array
Not Spreading array
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 break down the provided benchmark and explain what's being tested. **Benchmark Overview** The benchmark is designed to compare two approaches for joining an array of terms using the `_.join()` method from the Lodash library. The test cases are: 1. "Spreading array" ( benchmark definition: `joinWithCommas(...terms);`) 2. "Not Spreading array" (benchmark definition: `joinWithCommas2(terms);`) **Lodash Library** The Lodash library is a popular JavaScript utility library that provides a wide range of functions for tasks such as array manipulation, object manipulation, and more. The `_` symbol is used to access the library's namespace. In this benchmark, Lodash is used to implement two different approaches for joining an array of terms: * `joinWithCommas`: takes an array of terms as an argument and joins them using commas. * `joinWithCommas2`: takes a single array of terms as an argument and joins them using commas (similar to `joinWithCommas` but without spreading the array). **Approach 1: Spreading Array** The "Spreading array" test case uses the spread operator (`...`) to pass an array of terms as separate arguments to the `joinWithCommas()` function. This approach is used in modern JavaScript and allows for more concise code. Pros: * More concise code * Easier to read and maintain Cons: * May incur additional overhead due to the spread operator * Some older browsers or environments may not support the spread operator **Approach 2: Not Spreading Array** The "Not Spreading array" test case passes a single array of terms as an argument to the `joinWithCommas2()` function without using the spread operator. This approach is more explicit and avoids the potential overhead of the spread operator. Pros: * Avoids potential overhead of the spread operator * More explicit code Cons: * Less concise code * May be less readable for some developers **Other Considerations** When choosing between these two approaches, consider the following factors: * Performance: If performance is critical, the "Not Spreading array" approach may be a better choice due to its potential overhead. * Readability and maintainability: The "Spreading array" approach may be more readable and easier to maintain for developers who are familiar with modern JavaScript syntax. **Alternatives** If you need to compare other approaches or libraries, consider the following alternatives: * Using a different library or implementation for joining arrays (e.g., `Array.prototype.join()`). * Implementing custom join logic without using a library. * Using a different programming language or paradigm (e.g., functional programming). Keep in mind that these alternatives may not be directly comparable to the Lodash-based approaches used in this benchmark.
Related benchmarks:
array join vs _.join
_.join() vs Array.join()
Join: Lodash vs Native
lodash join vs native join
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