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toLocaleString vs window.Intl.NumberFormat
(version: 0)
toLocaleString vs window.Intl.NumberFormat
Comparing performance of:
toLocaleString vs window.Intl.NumberFormat
Created:
5 years ago
by:
Guest
Go to the latest result
Tests:
toLocaleString
let a = (1999.99991929393432432).toLocaleString("en",{minimumFractionDigits:9, maximumFractionDigits:9,useGrouping: false});
window.Intl.NumberFormat
const numberFormatter = new window.Intl.NumberFormat("en", { minimumFractionDigits: 9, maximumFractionDigits: 9, useGrouping: false }); let a = numberFormatter.format(1999.99991929393432432);
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
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Test case name
Result
toLocaleString
window.Intl.NumberFormat
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
2 years ago
)
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 YaBrowser/24.6.0.0 Safari/537.36
Browser/OS:
Yandex Browser 24 on Mac OS X 10.15.7
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=535528" width="100%" height="500px"></iframe>
toLocaleString
130K/s
window.Intl.NumberFormat
125K/s
View exact numbers
Test name
Executions per second
✓
toLocaleString
129,969 Ops/sec
window.Intl.NumberFormat
125,438 Ops/sec
Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's break down the provided benchmark and explain what is being tested. **What is being tested?** The benchmark is comparing two approaches to format a decimal number: `toLocaleString` (a built-in JavaScript method) and `window.Intl.NumberFormat` (an internationalization API). **Options being compared:** 1. **toLocaleString**: This method formats a number in the specified locale, with options for minimum fraction digits, maximum fraction digits, and whether to use grouping. 2. **window.Intl.NumberFormat**: This is an internationalization API that allows you to format numbers according to a specific locale, with options for formatting rules. **Pros and cons of each approach:** 1. **toLocaleString**: * Pros: + Lightweight and easy to use. + Formats numbers according to the system's locale settings. * Cons: + Limited control over formatting options. + May not produce consistent results across different browsers or locales. 2. **window.Intl.NumberFormat**: * Pros: + Provides more control over formatting options (e.g., currency symbols, decimal separators). + Can be used to format numbers according to a specific locale. * Cons: + More verbose and harder to use than `toLocaleString`. + May require additional setup for internationalization support. **Library used:** None explicitly mentioned in the benchmark definition. However, `window.Intl` is an internationalization API provided by WebKit (used by Safari) and Chrome. The YaBrowser browser being tested may have its own implementation of `Intl.NumberFormat`. **Special JS feature or syntax:** No specific JavaScript features or syntax are being used in this benchmark. **Other alternatives:** If you need more control over formatting options, you could consider using: * **Mathjs**: A library for mathematical expressions and operations. * **moment.js**: A popular date and time library that provides formatting options. * **xlsx**: A library for working with spreadsheets (e.g., formatting numbers). However, these alternatives might not be necessary for simple number formatting tasks. In summary, the benchmark is testing two approaches to format decimal numbers: `toLocaleString` and `window.Intl.NumberFormat`. While `toLocaleString` is lightweight and easy to use, it may not provide enough control over formatting options. The `Intl.NumberFormat` API offers more flexibility but requires additional setup for internationalization support.
Related benchmarks
Intl.NumberFormat vs toLocalString
Intl.NumberFormat vs toLocalString 2
Intl.NumberFormat vs toLocalString ( predefine the NumberFormat instance )
Intl.NumberFormat vs toLocalString yoyo
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