Toggle navigation
MeasureThat.net
Create a benchmark
Tools
Feedback
FAQ
Register
Log In
Dayjs Date-fns format comparison
(version: 0)
Comparing performance of:
Date-fns vs Dayjs
Created:
4 years ago
by:
Guest
Jump 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 = "2020-02-19T00:51:53.623839+00:00";
Tests:
Date-fns
window.datefns.parseISO(window.ds); window.datefns.format(new Date(), "mm-dd-yyyy");
Dayjs
dayjs(ds) dayjs().format("MM-DD-YYYY")
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:
2 months ago
)
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/145.0.0.0 Safari/537.36 Edg/145.0.0.0
Browser/OS:
Chrome 145 on Windows
View result in a separate tab
Embed
Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=625226" width="100%" height="500px"></iframe>
Test name
Executions per second
Date-fns
307846.8 Ops/sec
Dayjs
319463.3 Ops/sec
Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's break down the provided JSON and explain what is being tested, compared, and the pros and cons of each approach. **Benchmark Test** The benchmark tests two popular JavaScript libraries for working with dates: Dayjs and Date-fns. The test cases compare the performance of these libraries in parsing an ISO-formatted date string and formatting a new date object using a specific format. **Options Compared** The options being compared are: 1. **Date-fns**: A JavaScript library for working with dates, providing various functions for formatting, parsing, and manipulating date values. 2. **Dayjs**: A lightweight JavaScript library for working with dates, similar to Date-fns but with some differences in syntax and functionality. **Pros and Cons of Each Approach** Both libraries are designed to perform well in terms of performance, readability, and ease of use. However, here are some pros and cons of each approach: * **Date-fns**: Pros: + More comprehensive feature set, including support for various date formats, time zones, and parsing rules. + Better support for formatting complex date expressions (e.g., "YYYY-MM-DDTHH:mm:ss.SSSZ"). + Easier to extend with custom plugins. * Cons: + Smaller community compared to Dayjs. + Some users find its syntax more verbose than Dayjs. * **Dayjs**: Pros: + Simpler and more concise syntax, making it easier to learn and use for beginners. + Faster performance, especially for simple date operations. + Larger community and better support for newer browsers. * Cons: + Less comprehensive feature set compared to Date-fns. + Limited support for formatting complex date expressions. **Library Usage** The test cases use both libraries, with the following code snippets: 1. **Date-fns**: `window.datefns.parseISO(window.ds);` and `window.datefns.format(new Date(), "mm-dd-yyyy");` 2. **Dayjs**: `dayjs(ds)` and `dayjs().format("MM-DD-YYYY")` **Special JS Feature or Syntax** Neither library uses any special JavaScript features or syntax beyond standard ES6+ syntax. **Other Alternatives** If you're looking for alternative libraries, consider: 1. **Luxon**: A modern JavaScript date library with a simple and consistent API. 2. **Moment.js**: A popular date library with a wide range of features, including internationalization support. 3. **MSTimescale**: A lightweight date library optimized for performance and simplicity. Keep in mind that each library has its strengths and weaknesses, so it's essential to evaluate your specific needs and choose the best fit for your project.
Related benchmarks:
Moment Dayjs Date-fns comparison
Dayjs Date-fns format benchmark
date diff
Dayjs Date-fns format comparison25151dd
Comments
Confirm delete:
Do you really want to delete benchmark?