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Dayjs Date-fns format comparison 6
(version: 0)
Comparing performance of:
Date-fns vs Dayjs
Created:
3 years ago
by:
Guest
Go to the latest result
HTML Preparation code:
<script src="https://unpkg.com/dayjs@1.8.21/dayjs.min.js"></script> <script src="https://igor.moomers.org/random/datefns.js"></script>
Script Preparation code:
window.ds = dayjs(new Date("2020-02-19T00:51:53.623839+00:00")); window.ht = new Date("2020-02-19T00:51:53.623839+00:00");
Tests:
Date-fns
window.datefns.startOfWeek(window.ht);
Dayjs
window.ds.startOf("week")
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
Fork
Test case name
Result
Date-fns
Dayjs
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
one year ago
)
User agent:
Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/136.0.0.0 Mobile Safari/537.36
Browser/OS:
Chrome Mobile 136 on Android
View result in a separate tab
Embed
Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=604348" width="100%" height="500px"></iframe>
Dayjs
1.8M/s
Date-fns
1.5M/s
View exact numbers
Test name
Executions per second
✓
Dayjs
1,796,616 Ops/sec
Date-fns
1,474,340 Ops/sec
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. **Benchmark Definition** The benchmark is comparing two JavaScript libraries, Dayjs and Date-fns, for formatting dates in a specific way: `startOfWeek`. The test cases are: 1. **Date-fns**: "window.datefns.startOfWeek(window.ht);" 2. **Dayjs**: "window.ds.startOf(\"week\");" **Options being compared** The options being compared are the performance of two libraries, Dayjs and Date-fns, for a specific date formatting task (`startOfWeek`). **Pros and Cons of each approach:** 1. **Date-fns**: * Pros: + Optimized for browser performance + Supports various date formats and operations + Easy to use and integrate into projects * Cons: + May have additional dependencies or overhead due to its modular design 2. **Dayjs**: * Pros: + Lightweight and efficient, making it suitable for small JavaScript applications or those with limited resources + Simple and intuitive API * Cons: + Smaller community and fewer documentation resources compared to Date-fns **Library and its purpose** 1. **Date-fns**: A JavaScript library that provides a set of high-quality date formatting functions, including `startOfWeek`. It's designed for ease of use and performance in browser environments. 2. **Dayjs**: A lightweight JavaScript date library (around 20KB gzipped) that aims to be more efficient than traditional date libraries like Moment.js. **Special JS feature or syntax** None mentioned in the provided benchmark data, but it's worth noting that Dayjs supports a simple and concise API with functions like `ds.startOf("week")`, which is easy to read and write. **Other alternatives** If you're looking for alternative libraries for date formatting and operations, some popular options include: 1. **Moment.js**: A widely used and well-maintained library that offers advanced features and support for various formats. 2. **Luxon**: Another lightweight and modern JavaScript date library with a strong focus on performance and ease of use. 3. **js-joda**: A JavaScript port of the popular Joda-Time library, offering a comprehensive set of date and time utilities. When choosing a library for your project, consider factors like performance requirements, community support, documentation resources, and personal preference.
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