Benchmark: Luxon vs Native ISO date parsing

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/npm/luxon@1.26.0/build/global/luxon.min.js"></script>

Script Preparation code:

window.testDate = "2024-04-09T15:16:44Z"

Tests:

Native Date
new Date(window.testDate)
Luxon DateTime
luxon.DateTime.fromISO(window.testDate).toJSDate()

Historical Performance Data aggregated from 13 community runs

Desktop Results:

Chrome 13 runs

Native Date

11.2M/s

Luxon DateTime

768K/s

Fastest: Native Date (14.5x faster)

View exact numbers

✓ Native Date: 11,153,274 ops/sec
• Luxon DateTime: 767,555 ops/sec

Results show median performance across all community submissions. Run this benchmark yourself to verify on your device.

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Native Date
Luxon DateTime

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 12 days ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/145.0.0.0 Safari/537.36

Browser/OS: Chrome 145 on Mac OS X 10.15.7

View result in a separate tab

Native Date

10.5M/s

Luxon DateTime

739K/s

View exact numbers

Test name	Executions per second
✓ Native Date	10,509,852 Ops/sec
Luxon DateTime	738,910 Ops/sec

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

LLMs can make mistakes. Check important info.

Let's break down the provided JSON and explain what's being tested.

**Benchmark Definition**
The benchmark is comparing two approaches to parse an ISO-formatted date string:

1. **Native Date**: Using the built-in `Date` constructor in JavaScript, which expects a string in the format "YYYY-MM-DDTHH:mm:ssZ" (where Z indicates UTC time zone).
2. **Luxon DateTime**: Using the Luxon library's `DateTime.fromISO()` method to parse the ISO-formatted date string.

**Options Compared**

The benchmark is comparing two options:

* **Native Date**: The native JavaScript approach, which may have performance implications due to the overhead of the V8 engine and potential limitations in handling edge cases.
* **Luxon DateTime**: Using a dedicated library for date parsing, which can provide better performance, accuracy, and features compared to the native approach.

**Pros and Cons**

**Native Date:**

Pros:

* No additional dependencies or overhead
* Simple and well-established API

Cons:

* May be slower due to V8 engine overhead and potential limitations in handling edge cases
* Less accurate compared to specialized libraries like Luxon

**Luxon DateTime:**

Pros:

* Better performance and accuracy compared to the native approach
* Provides additional features, such as date arithmetic and time zone support
* More reliable handling of edge cases

Cons:

* Requires an additional dependency (the Luxon library)
* May have a slightly higher overhead due to the need for importing the library

**Library: Luxon**
Luxon is a popular JavaScript date and time library that provides a robust set of features for working with dates, including parsing ISO-formatted strings. In this benchmark, Luxon's `DateTime.fromISO()` method is used to parse the date string.

**Special JS Feature or Syntax (None)**

There are no special JavaScript features or syntax used in this benchmark.

**Other Alternatives**

If you're interested in exploring alternative libraries for date parsing, some popular options include:

* Moment.js: A widely-used JavaScript library for working with dates and times.
* Date-Fns: A lightweight JavaScript library providing a range of date-related functions and utilities.
* Intl.DateTimeFormat: A built-in JavaScript API for formatting and parsing dates using Unicode-based formats.

Keep in mind that each library has its own strengths, weaknesses, and performance characteristics. It's essential to evaluate your specific use case and requirements when choosing a library or approach for date parsing.

Luxon vs Native ISO date parsing (version: 0)

Comparing performance of: `Native Date vs Luxon DateTime`

Created: 2 years ago by: Guest

Go to the latest result

Native Date

Luxon DateTime

Historical Performance Data aggregated from 13 community runs

Desktop Results:

Chrome 13 runs

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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

Luxon vs Native ISO date parsing (version: 0)

Comparing performance of: Native Date vs Luxon DateTime

Created: 2 years ago by: Guest

Go to the latest result

Native Date

Luxon DateTime

Historical Performance Data aggregated from 13 community runs

Desktop Results:

Chrome 13 runs

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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

Related benchmarks

Comparing performance of: `Native Date vs Luxon DateTime`