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Dayjs Date-fns format comparison 2
(version: 0)
Comparing performance of:
Date-fns vs Dayjs
Created:
3 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 = new Date("2020-02-19T00:51:53.623839+00:00");
Tests:
Date-fns
window.datefns.startOfWeek(window.ds);
Dayjs
dayjs(ds) dayjs().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:
3 months ago
)
User agent:
Mozilla/5.0 (X11; Linux x86_64; rv:147.0) Gecko/20100101 Firefox/147.0
Browser/OS:
Firefox 147 on Linux
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Embed
Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=624054" width="100%" height="500px"></iframe>
Test name
Executions per second
Date-fns
3263316.2 Ops/sec
Dayjs
2148206.5 Ops/sec
Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
I'd be happy to explain the JavaScript benchmark. **Benchmark Overview** The provided benchmark compares the performance of two libraries: Day.js and Date-fns, specifically when it comes to formatting dates. The benchmark measures how many date format operations can be executed per second in each library. **Library Descriptions** 1. **Day.js**: Day.js is a modern JavaScript date library that provides fast and accurate date calculations. It's designed to be easy to use and provides a simple API for common date-related tasks, such as formatting. 2. **Date-fns**: Date-fns is another popular JavaScript date library that offers a wide range of features for working with dates. It's known for its simplicity and ease of use, making it a popular choice among developers. **Comparison Options** The benchmark compares the performance of Day.js and Date-fns when executing two different date format operations: 1. `datefns.startOfWeek(date)` 2. `dayjs(date).startOf("week")` These operations both take a date object as input and return a new date object representing the start of the week. **Pros and Cons** * **Day.js**: + Pros: Day.js is known for its speed and efficiency, making it a good choice when high performance is critical. + Cons: Day.js has a steeper learning curve due to its more complex API, which can be overwhelming for new developers. * **Date-fns**: + Pros: Date-fns is easy to use and provides a simple API, making it accessible to developers of all skill levels. + Cons: Date-fns may not be as fast as Day.js in certain scenarios, depending on the specific use case. **Special JS Feature/ Syntax** In this benchmark, neither library uses any special JavaScript features or syntax that would affect performance. The focus is solely on comparing the performance of the two libraries. **Other Alternatives** If you're looking for alternative date libraries, some popular options include: * Moment.js * Luxon * Intl.DateTimeFormat (built-in to modern browsers) These libraries offer different strengths and weaknesses, and may be more suitable depending on your specific use case. In summary, the Day.js and Date-fns benchmark compares the performance of two popular JavaScript date libraries when executing common date format operations. The results can help developers choose between these libraries based on their specific needs and performance requirements.
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