Benchmark: MomentJs format vs isSame

HTML Preparation code:

<script src='https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.22.0/moment.min.js'></script>

Script Preparation code:

var d1 = moment();
var d2 = moment('2012-03-03');

Tests:

format
var good = d1.format('YYYY-MM-DD HH:mm:ss') === d2.format('YYYY-MM-DD HH:mm:ss')
isSame
var good = d1.isSame(d2, 'second')

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
format
isSame

Fastest: N/A

Slowest: N/A

Latest run results:

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

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Let's break down what's being tested on the provided JSON benchmark.

**Library and Purpose:**
The library used in this benchmark is Moment.js, which is a popular JavaScript library for working with dates and times. Its purpose is to provide a simple and intuitive API for manipulating date and time values.

**Options Compared:**
Two options are being compared:

1. **format() method**: This method returns the date or time as a string in a specified format. In this benchmark, it's used to compare two formatted dates (`d1` and `d2`) for equality.
2. **isSame() method**: This method checks whether two dates are the same day. It takes an additional parameter specifying the unit of time (e.g., 'second', 'minute', 'hour', etc.).

**Pros and Cons:**

* **format() method**:
	+ Pros: Easy to use, straightforward API.
	+ Cons: Can be slower than other methods, especially for large date ranges or complex formats.
* **isSame() method**:
	+ Pros: Fast, efficient, and suitable for most cases.
	+ Cons: May not work correctly with dates that span multiple units (e.g., midnight to 1am).

**Other Considerations:**
When working with dates in JavaScript, it's essential to consider the following:

* **Time zones**: Moment.js handles time zones automatically, but this can lead to differences in results depending on the user's locale and device settings.
* **Leap seconds**: Moment.js accounts for leap seconds, which can affect calculations involving dates that span multiple units.

**Special JavaScript Features or Syntax:**
None mentioned in this benchmark.

**Other Alternatives:**
For date and time manipulation, other popular JavaScript libraries include:

1. **Date-fns**: A modern alternative to Moment.js, with a simpler API and improved performance.
2. **Luxon**: A high-performance library for working with dates and times, designed for large-scale applications.
3. **JS Date**: The built-in JavaScript date object, which can be used for basic date manipulation but may lack advanced features compared to dedicated libraries like Moment.js or Luxon.

In summary, the benchmark is testing the performance of Moment.js's `format()` and `isSame()` methods against each other, specifically in terms of execution speed.

Related benchmarks:

MomentJs format vs isSame (version: 0)

Comparing performance of: format vs isSame

Created: 3 years ago by: Guest

Jump to the latest result

format

isSame

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):