Benchmark: date format - MeasureThat.net

HTML Preparation code:

<script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.24.0/moment.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/luxon@1.21.0/build/global/luxon.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/@js-joda/core@1.12.0/dist/js-joda.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/dayjs@1.8.18/dayjs.min.js"></script>

Script Preparation code:

window.__date__ = new Date();
window.__expected__ = '2000/01/06';

Tests:

moment/luxon
var actual = luxon.DateTime.fromISO("2017-05-15").plus({days: 1}).toString(); console.assert(actual === __expected__);
moment/moment
var actual = moment("2017-05-15").clone().add(1, 'd').toISOString(); console.assert(actual === __expected__);
js-joda
var actual = JSJoda.LocalDate.parse("2017-05-15").plusDays(1).format(JSJoda.DateTimeFormatter.ISO_LOCAL_DATE); console.assert(actual === __expected__);
dayjs
var actual = dayjs("2017-05-15").add(1, 'day').toISOString(); console.assert(actual === __expected__);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
moment/luxon
moment/moment
js-joda
dayjs

Fastest: N/A

Slowest: N/A

Latest run results:

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Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):

LLMs can make mistakes. Check important info.

Let's dive into the world of JavaScript microbenchmarks!

**Benchmark Overview**

The provided JSON represents a benchmarking test case for date format conversions using four different libraries: Moment.js, Luxon, JSDoc's JSJoda, and Day.js.

**Library Overview**

1. **Moment.js**: A popular JavaScript library for working with dates and times.
2. **Luxon**: A modern JavaScript library that aims to replace Moment.js. It provides a more efficient and accurate way of handling dates and times.
3. **JSJoda**: A JavaScript port of Joda-Time, a widely-used Java library for working with dates and times.
4. **Day.js**: A lightweight JavaScript library for working with dates and times.

**Benchmark Test Cases**

The benchmark test cases compare the execution time of each library when performing specific date format conversions:

1. `moment/luxon`: Converts an ISO-formatted date string to a different date by adding one day.
2. `moment/moment`: Similar to the above, but using Moment.js.
3. `js-joda`: Converts an ISO-formatted date string to a different date by adding one day, using JSJoda's API.
4. `dayjs`: Similar to the above, but using Day.js.

**Options Compared**

The benchmark test cases compare two options for each library:

1. **Addition vs. Subtraction**: Both libraries provide methods to add or subtract days from a date. The benchmark tests which method is faster.
2. **ISO-formatted date strings**: All four libraries expect ISO-formatted date strings as input.

**Pros and Cons of Each Approach**

Each approach has its pros and cons:

1. **Moment.js**:
	* Pros: Highly optimized for performance, widely adopted and supported.
	* Cons: Can be slower than newer libraries like Luxon and Day.js due to its age and complexity.
2. **Luxon**:
	* Pros: Modern design, optimized for performance, and easy to use.
	* Cons: May require more learning curve compared to Moment.js.
3. **JSJoda**:
	* Pros: Familiar API for Java developers, good performance.
	* Cons: Less widely adopted than Moment.js or Luxon, potentially slower due to its porting effort.
4. **Day.js**:
	* Pros: Extremely lightweight and fast, easy to use.
	* Cons: Limited features compared to other libraries.

**Special JS Features/Syntax**

None of the libraries mentioned in this benchmark rely on special JavaScript features or syntax that would impact their performance significantly.

**Alternatives**

If you're looking for alternative date handling libraries, consider:

1. **Date-fns**: A modern JavaScript library with a simple and intuitive API.
2. **date-fractional**: A lightweight library designed specifically for precise fractional date calculations.
3. **ISO Date**: A small library that provides fast ISO-formatted date parsing and formatting.

Keep in mind that the choice of library ultimately depends on your project's specific requirements, performance needs, and your team's expertise.

Related benchmarks:

date format (version: 0)

Comparing performance of: moment/luxon vs moment/moment vs js-joda vs dayjs

Created: 6 years ago by: Guest

Jump to the latest result

moment/luxon

moment/moment

js-joda

dayjs

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

No previous run results

Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):