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new Intl.NumberFormat vs reused NumberFormat
(version: 0)
Comparing performance of:
new Intl.NumberFormat vs reused Intl.NumberFormat
Created:
3 years ago
by:
Guest
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Script Preparation code:
var a = new Intl.NumberFormat("en-US");
Tests:
new Intl.NumberFormat
var a = new Intl.NumberFormat("en-US").format("10000");
reused Intl.NumberFormat
a.format("10000");
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
new Intl.NumberFormat
reused Intl.NumberFormat
Fastest:
N/A
Slowest:
N/A
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's break down the provided benchmark and explain what is being tested. **Benchmark Overview** The benchmark is comparing two approaches to formatting numbers using JavaScript: 1. Creating a new `Intl.NumberFormat` instance for each test case. 2. Reusing an existing `Intl.NumberFormat` instance between test cases. **Options Being Compared** The two options being compared are: * **Creating a new `Intl.NumberFormat` instance**: This approach involves creating a new instance of the `Intl.NumberFormat` class within each test case. The instance is configured with the locale "en-US" and is used to format numbers. * **Reusing an existing `Intl.NumberFormat` instance**: This approach involves creating a single instance of the `Intl.NumberFormat` class during script preparation, reusing it between test cases, and passing it as an argument to each test case's formatting method. **Pros and Cons of Each Approach** **Creating a new `Intl.NumberFormat` instance**: Pros: * Easy to understand and implement * No overhead of reusing an existing instance Cons: * Creates a new instance for each test case, which can lead to increased memory usage and slower performance due to the overhead of creating new instances. * May not be suitable for large-scale benchmarking where memory usage becomes a concern. **Reusing an existing `Intl.NumberFormat` instance**: Pros: * Reduces memory usage compared to creating multiple instances * Can lead to faster performance as the overhead of creating new instances is avoided Cons: * Requires careful management of the shared instance to ensure it remains in a valid state between test cases. * May require additional complexity in script preparation and execution. **Library: `Intl.NumberFormat`** The `Intl.NumberFormat` class is a part of the JavaScript Internationalization API, which provides support for formatting numbers according to different locales. The class takes a locale parameter, such as "en-US", and returns an instance that can be used to format numbers according to the specified locale. In this benchmark, the `Intl.NumberFormat` instance is reused between test cases, and its purpose is to format numbers using the specified locale. **Special JS Feature/Syntax** There are no special JavaScript features or syntax mentioned in this benchmark. The focus is on comparing two approaches to formatting numbers using the `Intl.NumberFormat` class. **Other Alternatives** Other alternatives for formatting numbers in JavaScript include: * Using a third-party library like Moment.js * Implementing custom formatting logic using regular expressions and string manipulation * Using a template engine like Handlebars or Mustache However, the `Intl.NumberFormat` class is a built-in JavaScript API that provides a convenient and efficient way to format numbers according to different locales, making it a suitable choice for many use cases.
Related benchmarks:
Intl.NumberFormat vs toLocalString
Intl.NumberFormat vs toLocalString vs reuse Intl.NumberFormat
cached Intl.NumberFormat vs toLocalString
new Intl.NumberFormat vs reused NumberFormat reformatted
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