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Moment Date vs string
(version: 0)
Comparing performance of:
Moment no format vs Moment format vs Moment Object
Created:
3 years ago
by:
Guest
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HTML Preparation code:
<script src="https://cdn.rawgit.com/moment/moment/2.7.0/moment.js"></script> <script src="https://cdn.rawgit.com/moment/moment-timezone/0.2.2/builds/moment-timezone-with-data.js"></script></script>
Script Preparation code:
var dateString = '2023-01-02T00:15:00'; var format = 'YYYY-MM-DDTHH:mm:ss';
Tests:
Moment no format
var momentDate = moment.utc(dateString);
Moment format
var momentDateFormat = moment.utc(dateString, 'YYYY-MM-DDTHH:mm:ss');
Moment Object
var momentDateObject = moment.utc(new Date(dateString));
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (3)
Previous results
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Test case name
Result
Moment no format
Moment format
Moment Object
Fastest:
N/A
Slowest:
N/A
Latest run results:
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
**What is being tested?** The provided JSON represents a JavaScript benchmark that tests the performance of Moment.js, a popular library for working with dates and times in JavaScript. Specifically, it measures the execution speed of three different approaches: 1. Creating a Moment object without specifying a format string (`moment.utc(dateString)`). 2. Creating a Moment object with a specified format string (`moment.utc(dateString, 'YYYY-MM-DDTHH:mm:ss')`). 3. Creating a Date object from a string and then passing it to the Moment constructor (`moment.utc(new Date(dateString))`). **Options compared** The benchmark compares three different approaches: * **Moment no format**: This approach creates a Moment object without specifying a format string, which means that the library will automatically infer the format from the input date string. * **Moment format**: This approach specifies a format string when creating the Moment object, which can help improve performance by allowing the library to optimize parsing for that specific format. * **Moment Object**: This approach creates a Date object from the input date string and then passes it to the Moment constructor. This approach is used to test the impact of creating a Date object on performance. **Pros and cons of each approach** 1. **Moment no format**: * Pros: Simple and easy to use, as it doesn't require specifying a format string. * Cons: May incur additional overhead due to automatic format inference. 2. **Moment format**: * Pros: Can improve performance by allowing the library to optimize parsing for the specified format. * Cons: Requires specifying the format string, which can add complexity and error-prone. 3. **Moment Object**: * Pros: Can help isolate the impact of creating a Date object on performance. * Cons: May incur additional overhead due to creating a separate Date object. **Library used** The Moment.js library is used in this benchmark. Moment.js is a popular JavaScript library for working with dates and times, providing a simple and intuitive API for parsing, formatting, and manipulating dates and times. **Special JS feature or syntax** There are no special JS features or syntax mentioned in the provided code. However, it's worth noting that Moment.js uses several advanced techniques under the hood, such as using a parser generator to parse date strings, which can make it challenging to optimize performance. **Alternatives** If you're looking for alternative libraries for working with dates and times in JavaScript, some popular options include: * Date-fns: A modern JavaScript library for working with dates and times that provides a simple and intuitive API. * Luxon: Another popular JavaScript library for working with dates and times that provides high-performance parsing and formatting capabilities. However, it's worth noting that Moment.js remains one of the most widely-used and respected libraries in this space, especially among developers who need to work with complex date formats.
Related benchmarks:
Moment format vs new Date().toLocaleDateString()
Moment format vs new Date().toISOString, no ms
Date vs Moment Formatt
Moment UTC Tests
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