Benchmark: test international

Script Preparation code:

window.currencyPlayNumber = 1;
window.intlFormatter = new Intl.NumberFormat(undefined, {
    style: 'currency',
    currency: 'RUB',
});

Tests:

Intl.NumberFormat
const t = window.intlFormatter.format(window.currencyPlayNumber);
toLocaleString
const translatedString = window.currencyPlayNumber.toLocaleString(undefined, { style: 'currency', currency: 'RUB', })

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Intl.NumberFormat
toLocaleString

Fastest: N/A

Slowest: N/A

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

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I'll break down the provided benchmark and explain what's being tested, compared, and its implications.

**Benchmark Overview**

The benchmark is designed to measure the performance of JavaScript functions related to internationalization, specifically formatting numbers with a currency symbol (RUB) using two different APIs: `Intl.NumberFormat` and `toLocaleString`.

**Script Preparation Code**

The script preparation code sets up an environment for the benchmark:
```javascript
window.currencyPlayNumber = 1;
window.intlFormatter = new Intl.NumberFormat(undefined, {
    style: 'currency',
    currency: 'RUB'
});
```
Here:

* `window.currencyPlayNumber` is set to 1, which will be used as an input for the formatting functions.
* The `Intl.NumberFormat` constructor creates a new formatter instance with Russian Ruble (RUB) as the currency and "currency" style.

**Html Preparation Code**

The html preparation code is empty, which means that the benchmark doesn't rely on any HTML-specific features or DOM interactions.

**Test Cases**

There are two test cases:

1. `Intl.NumberFormat`:
```javascript
const t = window.intlFormatter.format(window.currencyPlayNumber);
```
This code uses the `format()` method of the `Intl.NumberFormat` formatter instance to format the `currencyPlayNumber` value as a currency string.

2. `toLocaleString`:
```javascript
const translatedString = window.currencyPlayNumber.toLocaleString(undefined, {
    style: 'currency',
    currency: 'RUB'
});
```
This code uses the `toLocaleString()` method to convert the `currencyPlayNumber` value to a localized string representing the number as a currency.

**Options Compared**

The two test cases compare the performance of:

* `Intl.NumberFormat.format()`: This method takes an input value and returns a formatted string.
* `toLocaleString()`: This method takes an input value, language or region options, and returns a localized string.

**Pros and Cons**

**Intl.NumberFormat.format():**

Pros:

* Highly customizable formatting options
* Better support for complex number formats (e.g., with decimal points)

Cons:

* May be slower due to its complexity and overhead

**toLocaleString():**

Pros:

* Faster execution time, as it's a simpler method that relies on the browser's locale data cache
* More lightweight and efficient

Cons:

* Less customizable formatting options compared to `Intl.NumberFormat.format()`
* May not work correctly for all regions or languages

**Other Considerations**

* Both methods use the same formatter instance (`window.intlFormatter`), which means that any caching or memoization effects may be mitigated.
* The benchmark only tests these two specific functions, so it's unclear how they compare to other internationalization features in JavaScript.

**Alternative Approaches**

If you want to explore alternative approaches for formatting numbers with a currency symbol, consider:

* Using CSS-based solutions, like `:before` pseudo-elements or CSS transforms
* Leveraging third-party libraries or plugins that specialize in internationalization and number formatting (e.g., moment.js)

Keep in mind that these alternatives may have different performance characteristics, trade-offs, and usage scenarios compared to the benchmarked functions.

Related benchmarks:

test international (version: 0)

Comparing performance of: Intl.NumberFormat vs toLocaleString

Created: 2 years ago by: Guest

Jump to the latest result

Intl.NumberFormat

toLocaleString

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):