Toggle navigation
MeasureThat
.net
Create a benchmark
Tools
Feedback
FAQ
Register
Log In
Dayjs Date-fns format comparison 5
(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.ds);
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:
11 months ago
)
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.6 Safari/605.1.15
Browser/OS:
Safari 18 on Mac OS X 10.15.7
View result in a separate tab
Embed
Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=615867" width="100%" height="500px"></iframe>
Date-fns
30.9M/s
Dayjs
12.0M/s
View exact numbers
Test name
Executions per second
✓
Date-fns
30,927,828 Ops/sec
Dayjs
12,017,564 Ops/sec
Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's dive into the benchmark and explain what's being tested. **Benchmark Definition** The benchmark is comparing two libraries: Day.js and Date-fns, specifically their `startOfWeek` functions for formatting dates. **Options Compared** Two options are compared: 1. **Date-fns**: The implementation provided by the author of the Date-fns library. 2. **Dayjs**: A JavaScript date library that provides various date and time utilities, including the `startOfWeek` function. **Pros and Cons** * **Date-fns**: + Pros: May be optimized for specific use cases or performance-critical functions like `startOfWeek`. + Cons: May not be as widely adopted or well-maintained as other libraries. * **Dayjs**: + Pros: Widely used, actively maintained, and has a large community of developers contributing to its development. + Cons: Might have overhead due to its extensive feature set. **Library Purpose** * **Date-fns**: A lightweight JavaScript library for working with dates and times. It provides various functions for formatting, parsing, and manipulating dates. * **Dayjs**: A fast and efficient date library that aims to provide a simple and intuitive API for date and time operations. **Special JS Feature or Syntax** None mentioned in this benchmark. **Benchmark Preparation Code** The preparation code sets up the environment by: 1. Loading Day.js and Date-fns libraries. 2. Creating two `Date` objects using the `new Date()` constructor, which is a simple way to represent dates in JavaScript. **Other Alternatives** If you're looking for alternatives to Date-fns or Dayjs, consider these options: * **Luxon**: A modern date and time library that provides a wide range of features and is known for its performance. * **Moment.js**: A widely used date and time library that offers many features, including formatting and manipulation functions. Keep in mind that the choice of library ultimately depends on your specific needs, performance requirements, and personal preferences.
Related benchmarks
Dayjs Date-fns format comparison
Dayjs Date-fns format comparison 4
Dayjs Date-fns format benchmark
Dayjs Date-fns format comparison25151dd
Comments
Confirm delete:
Do you really want to delete benchmark?