How to Format Numbers with Commas and Currency in VueJS Input Fields

Learn how to easily format numbers in VueJS with commas and currency symbols as users type in real-time. Step-by-step guide for beginners included!
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This video is based on the question https://stackoverflow.com/q/66154036/ asked by the user 'Devin Y' ( https://stackoverflow.com/u/9543351/ ) and on the answer https://stackoverflow.com/a/66403286/ provided by the user 'Iyashi' ( https://stackoverflow.com/u/3206306/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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Formatting Numbers in VueJs Input Fields

As a beginner in web development, you might run into situations where you need to format numbers input by users dynamically. One common request is to format currency values in real time, separating them with commas and adding currency symbols as the user types. This can be tricky, but with VueJS and the built-in Intl.NumberFormat feature, it is achievable! In this post, we will walk you through the process step by step and provide you with a working example.

Understanding the Problem

The issue here lies in dynamically formatting user input while they are typing. For instance, if a user types in a number for the cost of construction, you want to display that number as a formatted currency output, complete with a currency sign and commas for thousands.

Your original approach seems to get stuck in the implementation phase, so let's explore a more refined solution that is structured and straightforward.

Step-by-Step Solution

1. Setting Up Your VueJS Environment

First things first, make sure you have VueJS integrated into your HTML file. You can do this by including the VueJS library in your code:

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2. Basic HTML Structure

Create a basic HTML structure where your VueJS app will reside. Here is an essential setup:

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3. VueJS Component Logic

Next, let’s define the VueJS component's logic. You need to declare your data properties, computed properties, and methods effectively. Follow this code structure:

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4. CSS Styling (Optional)

To enhance the user interface, you might want to add some CSS for better presentation:

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5. Putting It All Together

Now combine your HTML, JavaScript, and CSS within your HTML file, and you have a functional VueJS application that formats numbers in real-time! Here's how it all looks:

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

Conclusion

With this guide, you now have a basic understanding of how to create a VueJS input field that formats numbers with commas and currency symbols in real-time. While there are always more sophisticated solutions and enhancements you can explore as you grow in your coding journey, this implementation serves as a solid foundation for beginners.

Don't hesitate to reach out if you have further questions, and happy coding!

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