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Date vs Dayjs
(version: 0)
Comparing performance of:
Date vs dayjs
Created:
2 years ago
by:
Guest
Jump to the latest result
HTML Preparation code:
<script src="https://cdn.jsdelivr.net/npm/dayjs@1/dayjs.min.js"></script>
Tests:
Date
new Date('2000-01-01' + 'T00:00')
dayjs
dayjs('2000-01-01', { utc: true }).toDate()
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
Date
dayjs
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
one year ago
)
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.36
Browser/OS:
Chrome 135 on Windows
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=598382" width="100%" height="500px"></iframe>
Test name
Executions per second
Date
2740129.0 Ops/sec
dayjs
1643985.6 Ops/sec
Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's break down the provided benchmark and explain what's being tested. **Benchmark Definition** The benchmark definition provides two JavaScript expressions that are being compared: 1. `new Date('2000-01-01' + 'T00:00')` 2. `dayjs('2000-01-01', { utc: true }).toDate()` These expressions are comparing the performance of creating a new `Date` object versus using the `dayjs` library to create a date and then converting it to a Date object. **Options Compared** The two options being compared are: 1. Creating a new `Date` object using the `new Date()` constructor. 2. Using the `dayjs` library to create a date and then converting it to a Date object using the `.toDate()` method. **Pros and Cons of Each Approach** **Creating a new `Date` object:** Pros: * Simple and straightforward way to create a date object. * No external dependencies required. * Native JavaScript implementation, which means it's built into the browser or Node.js environment. Cons: * May not be as efficient as using an external library like `dayjs`, especially for complex date calculations. * Limited functionality compared to external libraries. **Using `dayjs` library:** Pros: * Highly optimized and performant implementation of date calculations. * Supports a wide range of date formats and calculations. * Easy to use and integrate into existing codebases. Cons: * External dependency required, which may add extra overhead in terms of download size and complexity. * May have additional features that are not needed for simple date calculations. **Library: `dayjs`** `dayjs` is a popular JavaScript library for working with dates. It provides a simple and intuitive API for performing various date-related tasks, such as formatting dates, calculating time differences, and handling daylight saving time (DST) adjustments. The `.toDate()` method is used to convert a dayjs object to a native Date object. **Special JS Feature: None** There are no special JavaScript features or syntax being tested in this benchmark. **Other Alternatives** If you need to create date objects frequently, other alternatives to `dayjs` include: * `moment.js`: A popular and widely-used library for working with dates. * `Luxon`: A modern and efficient library for handling dates and times. * The native JavaScript `Date` object: As mentioned earlier, creating a new `Date` object using the `new Date()` constructor is another option. In summary, this benchmark compares the performance of creating a new `Date` object versus using the `dayjs` library to create a date and then converting it to a Date object. The choice between these options depends on your specific use case and requirements, such as performance, complexity, and additional features needed.
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