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Compare moment vs native date format 2.0
(version: 2)
ms to formatted Icelandic timestamp
Comparing performance of:
Moment vs Native vs Day.js vs DateFns vs litdate
Created:
4 years ago
by:
Registered User
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HTML Preparation code:
<script src='https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.22.0/moment.min.js'></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.23.0/locale/is.js"></script> <script src="https://unpkg.com/dayjs@1.8.21/dayjs.min.js"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/date-fns/1.30.1/date_fns.min.js"></script> <script src="https://unpkg.com/lit-date"></script>
Script Preparation code:
window.__date__ = 1645833600000 window.__expected__ = '26. feb. 2022'
Tests:
Moment
const formatted = moment(__date__).format('YYYY-MM-DD')
Native
const formatted = new Date(__date__).toISOString().split('T')[0]
Day.js
const formatted = dayjs(__date__).format('YYYY-MM-DD')
DateFns
const formatted = dateFns.format(__date__, 'YYYY-MM-DD');
litdate
const format = litdate`${'YYYY'}-${'MM'}-${'DD'}`; const date = new Date(__date__) const actual = format(date)
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (5)
Previous results
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Test case name
Result
Moment
Native
Day.js
DateFns
litdate
Fastest:
N/A
Slowest:
N/A
Latest run results:
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
**Overview** The provided JSON represents a benchmarking test case for comparing the performance of different date formatting libraries in JavaScript: Moment, Native (built-in JavaScript Date API), Day.js, DateFns, and litdate. **What is tested** Each individual test case measures the execution time of each library's `format` method when given a specific input date (`__date__`). The test case aims to determine which library provides the fastest performance for formatting dates in the Icelandic format (YYYY-MM-DD). **Comparison options** The libraries being compared have different approaches to date formatting: 1. **Moment**: Uses a template engine to generate the formatted string. 2. **Native (JavaScript Date API)**: Formats the date using the built-in `toISOString()` method, which returns a string in ISO 8601 format, and then splits it into two parts using `split('T')`. 3. **Day.js**: Uses its own templating engine to generate the formatted string. 4. **DateFns**: Provides a set of date formatting functions, including `format`, which uses template strings. 5. **litdate**: Uses a simple templating syntax to generate the formatted string. **Pros and cons** * **Moment**: Pros: widely adopted, extensive feature set; Cons: can be slower due to template engine overhead. * **Native (JavaScript Date API)**: Pros: built-in, fast, lightweight; Cons: limited formatting options. * **Day.js**: Pros: modern, efficient; Cons: less mature than other libraries. * **DateFns**: Pros: flexible, modular design; Cons: requires more setup. * **litdate**: Pros: simple, fast; Cons: limited feature set. **Library explanations** 1. **Moment**: A popular JavaScript date library that provides a wide range of features for manipulating dates and times. 2. **Native (JavaScript Date API)**: The built-in JavaScript Date API provides basic functionality for working with dates and times. 3. **Day.js**: A modern JavaScript library for working with dates, designed to be fast and efficient. 4. **DateFns**: A lightweight JavaScript library providing a set of date formatting functions and utilities. 5. **litdate**: A small, simple JavaScript library for working with dates, optimized for performance. **Special JS features** The benchmarking test case does not explicitly use any special JavaScript features or syntax that might affect the results. However, it's worth noting that some libraries (e.g., Moment) rely on external dependencies (e.g., moment.js), which can impact performance. **Alternatives** Other date formatting libraries and APIs that could be used for benchmarking include: * **Luxon**: A modern JavaScript library for working with dates and times. * **js-joda**: A Java-based library for working with dates and times, also available as a JavaScript implementation ( js-joda-jsd). * **Day.js alternatives**: Other libraries like `date-fns`-style alternatives like ` dateformat` or `humanize-duration` Keep in mind that the specific choice of library and implementation will significantly impact the results of any benchmarking test.
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