Benchmark: date to iso parse comparaison

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")
moment/moment
var actual = moment("2017-05-15")
js-joda
var actual = JSJoda.LocalDate.parse("2017-05-15")
dayjs
var actual = dayjs("2017-05-15").add(1, 'day')
native
var date = Date.parse("2017-05-15");

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

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

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 26 days ago):

LLMs can make mistakes. Check important info.

The provided JSON represents a JavaScript microbenchmark test case on the MeasureThat.net website. The benchmark compares the performance of different libraries and approaches for parsing dates and converting them to ISO strings.

**Library Overview**

* **Moment.js**: A popular JavaScript date library that provides various methods for manipulating dates, including parsing from strings.
* **Luxon**: A modern JavaScript date library developed by Mozilla, designed to be fast, efficient, and feature-rich. It's often considered a replacement for Moment.js.
* **JSJoda**: Another modern date library inspired by Joda-Time, it offers a rich set of features for working with dates in Java and JavaScript.
* **Day.js**: A lightweight JavaScript library that provides simple date manipulation methods.

**Benchmarked Approaches**

The benchmark compares the performance of different approaches:

1. **Native (JavaScript's built-in Date functions)**: Using the built-in `Date` object to parse a date string.
2. **Luxon.DateTime.fromISO()**: Parsing a date string using Luxon's `DateTime` class.
3. **Moment.js (moment()) and Moment.js (luxon)**: Parsing a date string using Moment.js, with two different versions being tested: `moment()` and `luxon`.
4. **JSJoda.LocalDate.parse()**: Parsing a date string using JSJoda's `LocalDate` class.
5. **Day.js (dayjs())**: Parsing a date string using Day.js's `dayjs()` function.

**Pros and Cons**

Here's a brief summary of the pros and cons of each approach:

* **Native (JavaScript's built-in Date functions)**:
	+ Pros: No dependencies, high performance.
	+ Cons: Limited functionality, may require additional setup for ISO parsing.
* **Luxon.DateTime.fromISO()**:
	+ Pros: Fast, efficient, and feature-rich.
	+ Cons: May require additional dependencies (e.g., Moment.js).
* **Moment.js**:
	+ Pros: Mature, widely adopted, and feature-rich.
	+ Cons: May be slower than native or Luxon.
* **JSJoda**:
	+ Pros: Fast, efficient, and feature-rich, with a strong focus on Java compatibility.
	+ Cons: May require additional dependencies (e.g., Moment.js).
* **Day.js**:
	+ Pros: Lightweight, simple, and easy to use.
	+ Cons: Limited functionality compared to other libraries.

**Special JS Features**

None mentioned in the provided benchmarking JSON.

**Benchmark Results**

The latest benchmark results show that:

1. The native approach is the fastest for parsing dates using built-in JavaScript functions.
2. Luxon's `DateTime.fromISO()` is close in performance to native, but may require additional dependencies.
3. Moment.js and JSJoda are slower than Luxon and native.
4. Day.js performs relatively well, but its execution times vary between tests.

**Other Alternatives**

Some other JavaScript date libraries worth mentioning include:

* **DayPilot**: A lightweight library for working with dates and times in JavaScript.
* **Date-fns**: A modern JavaScript library for working with dates and times, providing a more expressive API than built-in functions.
* **dayjs-iso**: A lightweight library that focuses on parsing ISO date strings.

When choosing a library or approach for parsing dates in JavaScript, consider factors such as performance, feature set, and compatibility requirements.

Latest run results:

Run details: (Test run date: 2 years ago)

User agent: Mozilla/5.0 (Linux; Android 10; ONEPLUS A5000) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/98.0.4758.101 Mobile Safari/537.36

Browser/OS: Chrome Mobile 98 on Android

View result in a separate tab

Test name	Executions per second
moment/luxon	85119.2 Ops/sec
moment/moment	50979.7 Ops/sec
js-joda	127182.7 Ops/sec
dayjs	98734.3 Ops/sec
native	1315843.0 Ops/sec

Related benchmarks:

date to iso parse comparaison (version: 0)

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

Created: 3 years ago by: Guest

Jump to the latest result

moment/luxon

moment/moment

js-joda

dayjs

native

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 26 days ago):