Benchmark: moment vs datefns format f3

HTML Preparation code:

<script src="https://cdnjs.cloudflare.com/ajax/libs/date-fns/1.29.0/date_fns.min.js"></script>
<script src="https://cdn.rawgit.com/moment/moment/2.7.0/moment.js"></script>
<script src="https://cdn.rawgit.com/moment/moment-timezone/0.2.2/builds/moment-timezone-with-data.js"></script>

Script Preparation code:

var date = new Date()
var datemom = moment(date.valueOf())

Tests:

moment
moment(date.valueOf()).format("YYYY-MM-DD")
datefns
dateFns.format(date, 'YYYY-MM-DD')
date
var date2 = datemom.toDate() date2.getYear()+"-"+date2.getMonth()+"-"+date2.getDate()

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
moment
datefns
date

Fastest: N/A

Slowest: N/A

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

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Let's dive into explaining the provided JSON benchmark.

**Benchmark Definition**

The benchmark tests three different JavaScript libraries: Moment.js, DateFns, and a custom implementation using the `datemom` object created earlier. The test cases compare the performance of each library when formatting dates in the "YYYY-MM-DD" format.

**Options Compared**

1. **Moment.js**: Uses the `moment()` function to create a moment object from the current timestamp (`date.valueOf()`) and then formats it using the `.format()` method.
2. **DateFns**: Uses the `format()` function directly on the `date` object, passing the desired format string ("YYYY-MM-DD") as an argument.
3. **Custom Implementation (datemom)**: Uses the `toDate()` method of the `datemom` object to get a plain JavaScript date object and then uses the `.getYear()`, `.getMonth()`, and `.getDate()` methods to construct the desired format string.

**Pros and Cons**

1. **Moment.js**:
	* Pros:
		+ Well-established library with extensive documentation and community support.
		+ Provides more advanced features, such as date arithmetic and parsing.
	* Cons:
		+ Can be slower due to its larger size and more complex implementation.
2. **DateFns**:
	* Pros:
		+ Lightweight and fast, making it suitable for high-performance applications.
		+ Provides a simple and intuitive API.
	* Cons:
		+ Less widely adopted than Moment.js, potentially affecting community support.
3. **Custom Implementation (datemom)**:
	* Pros:
		+ Highly optimized for performance, as it only uses built-in JavaScript methods.
		+ May be more suitable for applications where size and complexity are critical.
	* Cons:
		+ Requires manual management of date components, which can lead to errors if not done correctly.

**Library Used**

1. **Moment.js**: A popular JavaScript library for working with dates and times. It provides a wide range of features, including parsing, formatting, and arithmetic operations.
2. **DateFns**: A lightweight JavaScript library for formatting dates and performing date-related operations.

**Special JS Feature/Syntax**

None mentioned in the provided benchmark definition.

**Alternative Libraries/Implementations**

If you're looking for alternatives to Moment.js or DateFns, consider the following options:

1. **Lux**: A modern alternative to Moment.js that aims to provide a similar API while being faster and more lightweight.
2. **dayjs**: Another popular library for working with dates and times in JavaScript, offering a simple and intuitive API.
3. **js-joda**: A JavaScript implementation of the Joda-Time library, providing a robust and feature-rich date and time handling system.

Keep in mind that each library has its strengths and weaknesses, and the choice ultimately depends on your specific needs and requirements.

Related benchmarks:

moment vs datefns format f3 (version: 0)

Comparing performance of: moment vs datefns vs date

Created: 5 years ago by: Guest

Jump to the latest result

moment

datefns

date

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):