Benchmark: Is After - Date vs Moment

HTML Preparation code:

<script src="https://cdn.rawgit.com/moment/moment/2.7.0/moment.js"></script>

Tests:

Moment is after
moment().isAfter(moment("2021-01-01"))
Date is after
(new Date().getTime()) > (new Date("2021-01-01").getTime())

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Moment is after
Date is after

Fastest: N/A

Slowest: N/A

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

LLMs can make mistakes. Check important info.

Let's break down the provided benchmark and explain what's being tested, compared, and other considerations.

**Benchmark Overview**

The benchmark compares two approaches to check if a date is after another: using JavaScript's built-in `Date` object and the Moment.js library.

**Options Compared**

There are two options being compared:

1. **JavaScript Date**: Using the native `Date` object in JavaScript to compare dates.
2. **Moment.js**: Using the Moment.js library, which provides a more intuitive and powerful way of working with dates.

**Pros and Cons of Each Approach**

**JavaScript Date**

Pros:

* Fast execution speed
* Lightweight and efficient
* Widely supported across different browsers and devices

Cons:

* Requires manual date formatting and parsing
* Can be error-prone due to edge cases (e.g., time zones, leap years)
* May not provide intuitive or human-readable date representations

**Moment.js**

Pros:

* Provides a simple and intuitive API for working with dates
* Handles edge cases and nuances of date calculations
* Offers more readable and human-friendly date representations

Cons:

* Slower execution speed compared to the native `Date` object
* Additional dependencies required ( Moment.js library)
* May have performance overhead due to extra function calls and checks

**Other Considerations**

* **Time Zones**: Both approaches assume a fixed time zone. If you need to work with dates across different time zones, consider using a library that handles this, such as Moment.js.
* **Leap Years**: The JavaScript `Date` object takes into account leap years, while Moment.js may not. If you're working with specific date ranges or calculations, ensure you understand how these libraries handle leap years.

**Library Used: Moment.js**

Moment.js is a popular JavaScript library for working with dates and times. It provides a simple and intuitive API for tasks such as:

* Parsing dates from strings (e.g., "2021-01-01")
* Comparing dates
* Calculating time differences
* Formatting dates in human-readable formats

In the provided benchmark, Moment.js is used to compare two dates: `moment("2021-01-01")` and another date passed as a string.

**Special JS Feature/Syntax**

None of the test cases use special JavaScript features or syntax. They rely solely on standard JavaScript constructs for date comparison.

If you're new to JavaScript or want to learn more about date manipulation, Moment.js is a great resource to explore. However, if you prefer working with native `Date` objects and are comfortable handling edge cases, that's also a valid approach.

**Other Alternatives**

For alternative libraries to consider:

* **Lux**: A lightweight library for working with dates and times.
* **Dayjs**: Another popular library for date manipulation and calculations.
* **Date-fns**: A modern JavaScript library for working with dates and times.

Latest run results:

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

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.0.0 Safari/537.36

Browser/OS: Chrome 104 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
Moment is after	47635.2 Ops/sec
Date is after	2078357.4 Ops/sec

Related benchmarks:

Is After - Date vs Moment (version: 0)

Comparing performance of: Moment is after vs Date is after

Created: 2 years ago by: Guest

Jump to the latest result

Moment is after

Date is after

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

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