Benchmark: Test moment.js 3

HTML Preparation code:

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

Tests:

1
let entries = []; for (let i = 0; i < 100000; ++i) { entries.push(moment().utc()); }
2
let entries = []; for (let i = 0; i < 100000; ++i) { entries.push(moment().utc()); }

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
1
2

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 25 days ago):

LLMs can make mistakes. Check important info.

Let's break down the provided JSON data for the MeasureThat.net JavaScript microbenchmark.

**Overview**

MeasureThat.net is a platform where users can create and run JavaScript microbenchmarks to compare the performance of different browsers, devices, or platforms. The benchmark provided consists of two individual test cases that measure the execution time of a specific piece of code.

**Benchmark Definition**

The benchmark definition provides a script preparation code and an HTML preparation code. In this case:

* `Script Preparation Code` is empty, which means that no additional setup or initialization code is required before running the benchmark.
* `Html Preparation Code` includes a reference to Moment.js (a popular JavaScript date library), indicating that the benchmark will test the performance of the Moment.js library.

**Individual Test Cases**

There are two individual test cases:

1. Both test cases have the same `Benchmark Definition`, which is:
```
let entries = [];
for (let i = 0; i < 100000; ++i) {
    entries.push(moment().utc());
}
```
This code creates an array of `100,000` dates using the `moment()` function from Moment.js. The `utc()` method returns a date object representing the current UTC time.

**Options Compared**

In this benchmark, two different options are being compared:

* **Option 1**: This is not explicitly mentioned in the provided data, but based on the code, it's likely that Option 1 refers to running the Moment.js library directly.
* **Option 2**: This option also uses the Moment.js library, but with a slight modification. Instead of pushing individual dates onto the `entries` array, it might push an object containing the date and other metadata (e.g., locale, timezone).

**Pros and Cons**

Comparing these two options will reveal performance differences in how the Moment.js library is used. The pros and cons are:

* **Option 1**: Pros:
	+ Simpler code.
	+ May be faster due to reduced overhead from pushing objects onto an array.
*   Cons:
    * May not take into account other metadata that might be included with each date object.
*   Option 2: Pros:
    + May handle additional metadata more efficiently.
    * May incur a slight performance penalty due to the added object creation.
*   Cons:
    * More complex code.

**Library and Purpose**

Moment.js is a popular JavaScript library for working with dates. Its primary purpose is to provide an easy-to-use interface for parsing, manipulating, and formatting dates in various formats. The `moment()` function returns a date object representing the current time, which is then manipulated using various methods (e.g., `utc()`, `locale()`).

**Special JS Feature or Syntax**

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

**Alternatives**

Other alternatives for comparing Moment.js performance could include:

* Using different versions of Moment.js
* Testing with other date libraries (e.g., Date.js)
* Measuring the performance of specific methods within Moment.js (e.g., `utc()`, `locale()`)
* Comparing the performance of different browsers or devices using the same benchmark

Keep in mind that these alternatives would require modifying the benchmark definition to accommodate the changes.

Latest run results:

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

User agent: Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Browser/OS: Chrome 127 on Android

View result in a separate tab

Test name	Executions per second
1	7.2 Ops/sec
2	7.1 Ops/sec

Related benchmarks:

Test moment.js 3 (version: 0)

Comparing performance of: 1 vs 2

Created: one month ago by: Guest

Jump to the latest result

1

2

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 25 days ago):