Benchmark: Bench 1 - MeasureThat.net

Script Preparation code:

const Offset = {
    Asuncion: [Intl.DateTimeFormat('en-GB', {
        timeZone: 'America/Asuncion',
        year: 'numeric'
    }), Intl.DateTimeFormat('en-GB', {
        timeZone: 'America/Asuncion',
        month: '2-digit'
    }), Intl.DateTimeFormat('en-GB', {
        timeZone: 'America/Asuncion',
        day: '2-digit'
    })]
}


const Offset2 = {
    Asuncion: Intl.DateTimeFormat('en-GB', {
        timeZone: 'America/Asuncion',
        year: "numeric",
        month: "2-digit",
        day: "2-digit"
    })
}

Tests:

with map
const Offset = { Asuncion: [Intl.DateTimeFormat('en-GB', { timeZone: 'America/Asuncion', year: 'numeric' }), Intl.DateTimeFormat('en-GB', { timeZone: 'America/Asuncion', month: '2-digit' }), Intl.DateTimeFormat('en-GB', { timeZone: 'America/Asuncion', day: '2-digit' })] } const timestamp = new Date(1669905742 * 1000) const acc = Offset.Asuncion.map(value => value.format(timestamp)).join('')
with split
const Offset2 = { Asuncion: Intl.DateTimeFormat('en-GB', { timeZone: 'America/Asuncion', year: "numeric", month: "2-digit", day: "2-digit" }) } const timestamp2 = new Date(1669905742 * 1000) const acc2 = Offset2.Asuncion.format(timestamp2).split('/').reverse().join('')

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
with map
with split

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 the provided JSON and explain what's being tested, compared, and analyzed.

**Benchmark Definition**

The benchmark definition represents a microbenchmark test that measures the performance of different approaches for formatting dates in JavaScript. The test involves creating two date formats: one using an array of `Intl.DateTimeFormat` objects (`Offset`) and another using a single `Intl.DateTimeFormat` object (`Offset2`).

**Options being compared**

Two options are being compared:

1. **Using an array of `Intl.DateTimeFormat` objects (``Offset)`**: This approach creates an array of three date formats, each with specific settings for year, month, and day.
2. **Using a single `Intl.DateTimeFormat` object (`Offset2`)**: This approach uses a single date format with the same settings as the individual formats in the `Offset` array.

**Pros and Cons**

**Array of `Intl.DateTimeFormat` objects (``Offset)`**:

Pros:

* Allows for more flexibility and control over individual format settings
* Can be beneficial when working with different locales or time zones

Cons:

* Requires more code and memory usage
* May lead to slower performance due to the overhead of creating multiple formats

**Single `Intl.DateTimeFormat` object (`Offset2`)**:

Pros:

* Reduces code complexity and memory usage
* Can result in faster performance due to reduced overhead

Cons:

* Limited flexibility and control over individual format settings
* May not be suitable for complex date formatting scenarios

**Other considerations**

The test also measures the execution time of each approach, which can help determine the best performance strategy depending on the specific use case.

**Libraries and features**

In this benchmark, two JavaScript libraries are used:

1. **`Intl.DateTimeFormat`**: This library provides support for internationalized date formatting, allowing developers to format dates in a locale-specific manner.
2. No special JS feature or syntax is used beyond what's typical for JavaScript.

**Test users special device or browser**

The provided benchmark result shows performance data from Chrome 108 on a Mac OS X 10.15.7 desktop environment. However, it's essential to note that benchmarking results may vary depending on the user's device, browser, and operating system.

**Alternatives**

Other alternatives for date formatting in JavaScript include:

1. **Using `Date.prototype.toLocaleString()`**: This method allows developers to format dates using a locale-specific string representation.
2. **Using third-party libraries like Moment.js or Luxon**: These libraries provide more advanced date formatting capabilities beyond what's available in the built-in `Intl.DateTimeFormat` API.

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

Related benchmarks:

Bench 1 (version: 0)

test

Comparing performance of: with map vs with split

Created: 3 years ago by: Guest

Jump to the latest result

with map

with split

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):