Benchmark: Date Comparison 20230620-3

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/gh/moment/moment@2.24.0/moment.js"></script>

Tests:

Moment Symbol
moment("2023-06-30T04:00:00") > moment()
Moment isAfter
moment("2023-06-30T04:00:00").isAfter(moment())
Date.parse() + Date.now()
Date.parse("2023-06-30T04:00:00") > Date.now()
new Date() + new Date()
new Date("2023-06-30T04:00:00") > new Date()
new Date() + Date.now()
new Date("2023-06-30T04:00:00") > Date.now()
Date.parse() + new Date()
Date.parse("2023-06-30T04:00:00") > new Date()

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Moment Symbol
Moment isAfter
Date.parse() + Date.now()
new Date() + new Date()
new Date() + Date.now()
Date.parse() + new Date()

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/114.0

Browser/OS: Firefox 114 on Windows

View result in a separate tab

Test name	Executions per second
Moment Symbol	42649.8 Ops/sec
Moment isAfter	47069.6 Ops/sec
Date.parse() + Date.now()	2131062.0 Ops/sec
new Date() + new Date()	906271.8 Ops/sec
new Date() + Date.now()	1126048.5 Ops/sec
Date.parse() + new Date()	1151881.6 Ops/sec

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

LLMs can make mistakes. Check important info.

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

**Benchmark Context**

MeasureThat.net is a platform for comparing performance of different JavaScript implementations, including various date parsing methods.

**Options Compared**

The benchmark tests four different approaches to compare dates:

1. **`moment()`**: Uses the Moment.js library to parse a specific date string.
2. **`Date.parse()` + `Date.now()`**: Compares the result of `Date.parse()` with the current timestamp using `Date.now()`.
3. **`new Date()` + `new Date()`**: Compares two new Date objects created from the same date string.
4. **`moment()` + `isAfter()`**: Uses Moment.js to parse a specific date string and then checks if it's after another moment object (in this case, an empty moment object).
5. **`moment()` + `Symbol`**: Uses Moment.js to parse a specific date string and then checks if the result is greater than another moment object using the `>` operator.

**Pros and Cons of Each Approach**

1. **`moment()`**: Pros: Easy to read and understand, well-maintained library with many features. Cons: Can be slower due to its complexity and the need for imports.
2. **`Date.parse()` + `Date.now()`**: Pros: Fast and straightforward, as it only involves basic arithmetic operations. Cons: May not handle edge cases correctly (e.g., timezone issues).
3. **`new Date()` + `new Date()`**: Pros: Simple and easy to understand, as it only creates new Date objects. Cons: May be slower than `Date.parse()` due to the overhead of creating two dates.
4. **`moment()` + `isAfter()`**: Pros: Convenient method for checking if one date is after another. Cons: Requires Moment.js library and may add complexity to the code.
5. **`moment()` + Symbol`: Same pros and cons as above, with an additional layer of complexity due to the use of symbols.

**Library Explanations**

1. **Moment.js**: A popular JavaScript library for working with dates and times. It provides a simple and consistent API for handling various date formats and timezone issues.

**Special JS Features/Syntax**

The benchmark uses Moment.js, which is a third-party library. No special JavaScript features or syntax are used in the provided examples.

**Other Alternatives**

If you're looking to compare different date parsing methods, you could consider using alternative libraries like:

* `Date-fns`: A modern and efficient date manipulation library that provides many useful functions.
* `luxon`: Another popular date and time library that offers a more concise API than Moment.js.

Keep in mind that each library has its own strengths and weaknesses, and the choice of which one to use depends on your specific requirements and performance needs.

Related benchmarks:

Date Comparison 20230620-3 (version: 0)

Comparing performance of: Moment Symbol vs Moment isAfter vs Date.parse() + Date.now() vs new Date() + new Date() vs new Date() + Date.now() vs Date.parse() + new Date()

Created: one year ago by: Guest

Jump to the latest result

Moment Symbol

Moment isAfter

Date.parse() + Date.now()

new Date() + new Date()

new Date() + Date.now()

Date.parse() + new Date()

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):