Benchmark: Moment Tests timestamp

HTML Preparation code:

<script src="https://cdn.rawgit.com/moment/moment/2.7.0/moment.js"></script>
<script src="https://cdn.rawgit.com/moment/moment-timezone/0.2.2/builds/moment-timezone-with-data.js"></script></script>

Script Preparation code:

var dateObject = new Date('2016-11-03T12:00:00Z');
var timezone = 'Australia/Perth';
var format = 'YYYY-MM-DDTHH:mm:ss';

Tests:

Moment
function dateFormatTimestamp() { const nb = moment.utc().format('X'); const timestamp = Math.floor(Number(nb)); return timestamp * 1000; } var ts = dateFormatTimestamp()
Offset
function dateFormatTimestamp() { return Date.now(); } var ts = dateFormatTimestamp()

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Moment
Offset

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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**Overview**

The provided JSON represents two JavaScript microbenchmarks, "Moment Tests timestamp" and its individual test cases, which test the performance of converting timestamps to milliseconds using different approaches.

**Benchmark Definition**

The benchmark definition is a set of scripts that prepare the environment for running the tests. It includes:

1. Importing Moment.js library: The script loads the Moment.js library from a CDN.
2. Importing Moment-Timezone library: The script loads the Moment-Timezone library, which provides timezone-aware dates and timestamps.

**Options Compared**

Two approaches are compared in the benchmark:

1. **Moment**: This approach uses the `moment` function to convert the timestamp to milliseconds. It takes into account the timezone using the imported Moment-Timezone library.
2. **Offset**: This approach uses the `Date.now()` method to get the current timestamp in milliseconds, without taking into account the timezone.

**Pros and Cons**

1. **Moment**:
	* Pros: Handles timezones correctly, provides a more accurate conversion.
	* Cons: May be slower due to the additional overhead of Moment-Timezone library.
2. **Offset**:
	* Pros: Faster execution, as it doesn't require loading an extra library.
	* Cons: Doesn't handle timezones correctly, may produce incorrect results.

**Library Explanation**

The Moment-Timezone library is a popular JavaScript library for working with dates and timestamps in various timezones. It provides functions like `moment.utc()` to create a timezone-aware date object and `format('X')` to format the timestamp as an integer. The library takes into account the timezone of the system clock, ensuring accurate conversions.

**Special JS Feature**

The benchmark uses the `const nb = moment.utc().format('X');` expression, which is a JavaScript feature called "template literals". It allows you to embed expressions inside string literals using backticks (`). In this case, it's used to format the timestamp as an integer.

**Other Alternatives**

If you prefer not to use Moment.js or Moment-Timezone libraries, other alternatives for converting timestamps to milliseconds include:

1. Using the `Date` object directly: `const nb = new Date('2016-11-03T12:00:00Z').getTime();`
2. Using a custom implementation without relying on libraries.
3. Using other JavaScript libraries or frameworks that provide similar functionality, such as `date-fns` or `luxon`.

Keep in mind that these alternatives may not offer the same level of accuracy and convenience as Moment.js or Moment-Timezone library.

Related benchmarks:

Moment Tests timestamp (version: 0)

Comparing performance of: Moment vs Offset

Created: 3 years ago by: Guest

Jump to the latest result

Moment

Offset

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):