Скачать или смотреть How to Keep Trailing Zeros with Intl.NumberFormat in JavaScript

Learn how to format floating point numbers in JavaScript to retain trailing zeros using Intl.NumberFormat for better table presentations.
---
This video is based on the question https://stackoverflow.com/q/68497321/ asked by the user 'stefano manzi' ( https://stackoverflow.com/u/4540212/ ) and on the answer https://stackoverflow.com/a/68497519/ provided by the user 'NullDev' ( https://stackoverflow.com/u/7575111/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

Visit these links for original content and any more details, such as alternate solutions, latest updates/developments on topic, comments, revision history etc. For example, the original title of the Question was: Keep trailing zeros Intl.numberformat

Also, Content (except music) licensed under CC BY-SA https://meta.stackexchange.com/help/l...
The original Question post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license, and the original Answer post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license.

If anything seems off to you, please feel free to write me at vlogize [AT] gmail [DOT] com.
---
How to Keep Trailing Zeros with Intl.NumberFormat in JavaScript

When dealing with floating-point numbers in JavaScript, you may find yourself needing a way to format those numbers for display purposes. Specifically, large sets of financial or statistical data often require consistent formatting to enhance clarity and credibility, especially when presenting them in tables. One common issue developers face in such scenarios is how to maintain the visibility of trailing zeros in their formatted numbers. In this post, we’ll dive into this challenge and uncover how to achieve that using Intl.NumberFormat.

The Problem

You might be formatting floating point numbers in a table as follows:

[[See Video to Reveal this Text or Code Snippet]]

With this setup, your output may look something like this:

PriceAmountTotal0.000099991.0000000011.000000000.00000118.0000000010.000000000.0000011.000000002.000000000.000000091.000000001.00000000Upon reviewing the results, you might notice that the value 0.0000011 appears as 0.0000011 instead of having trailing zeros, which can affect the layout and professionalism of your table. You want your output to display as follows:

PriceAmountTotal0.000099991.0000000011.000000000.000001108.0000000010.000000000.000001001.000000002.000000000.000000091.000000001.00000000The Solution: Using minimumFractionDigits

To solve the issue of retaining trailing zeros in your formatted numbers, the key is to switch from using maximumSignificantDigits to minimumFractionDigits in the Intl.NumberFormat method. This is how you can achieve that:

[[See Video to Reveal this Text or Code Snippet]]

By setting the minimumFractionDigits, you’re telling the formatter to always display the specified number of digits after the decimal point, which will preserve the trailing zeros you want.

Examples in Practice

Let’s take a look at how this adjustment works in practice with some sample data:

[[See Video to Reveal this Text or Code Snippet]]

Key Takeaways

Utilize minimumFractionDigits: This option ensures that the specified number of decimal places is maintained, allowing you to keep trailing zeros.

Improve Presentation: Retaining trailing zeros can greatly enhance the readability and aesthetic of data presented in tables.

Versatile Formatting: By mastering Intl.NumberFormat, you can efficiently manage and display numerical data across various applications.

Conclusion

In conclusion, keeping trailing zeros in formatted floating-point numbers is easily achievable by adjusting the formatting options used with Intl.NumberFormat. By implementing minimumFractionDigits, you'll not only present your data more clearly but also enhance the overall user experience. Keep this handy tip in mind whenever you’re working with floating-point numbers in JavaScript and watch your tables transform into polished presentations!