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Learn how to format date inputs in Angular 6 to display the desired `yyyy/MM/dd` format. Discover simple solutions for your date handling needs!
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Formatting Date Inputs in Angular 6: yyyy/MM/dd Made Easy

Date handling can be tricky in web development, particularly when it comes to formatting dates to meet specific requirements. If you're working with Angular 6 and trying to format a date input to display as yyyy/MM/dd, you've probably encountered some challenges—especially when the date is received from an API in a different format, such as yyyy-MM-ddThh:mm:ss.ms+ Z. In this guide, we'll guide you through how to properly format the date input in Angular 6 for a smooth user experience.

Understanding the Problem

When you make an API GET call, you might receive a date formatted like this:

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

Unfortunately, Angular's built-in date input does not allow you to format it directly with the Angular pipe syntax while using two-way binding. As a result, when you use the [(ngModel)] directive, it attempts to bind the date directly without any formatting, which can lead to confusion or issues with how users see the date. Your input may default to a format you don't want, appearing as yyyy/MM/dd but not functioning properly.

Step-by-Step Solution

Use Separate Templates

The key to solving this issue is to separate your two templates: one for displaying the formatted date and another for handling changes to the date input. Let's walk through how to do this effectively.

Step 1: Updating the Input Field

Instead of binding directly using [(ngModel)], you will use the [ngModel] directive in combination with the (ngModelChange) event. Here’s how you can set it up:

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

Breakdown of Code:

[ngModel]="date | date:'yyyy/MM/dd'":

This part uses Angular's date pipe to format the input date as yyyy/MM/dd. The date displayed in the input field will now show in the desired format.

(ngModelChange)="date = $event":

This event listener allows you to update the value of date whenever the user makes changes to the input field. The new value will replace the old date value accordingly.

Step 2: Connecting to Your Component

To make sure this works smoothly, ensure your Angular component is correctly set up to manage the date variable. Here is a quick example of what your component might look like:

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

Step 3: Confirming Functionality

Now, when you run your application, the input field should display the date as 2020/06/30, and any edits to the input will properly update the date variable without losing the formatting you've applied through Angular's pipes.

Conclusion

Formatting date inputs in Angular 6 doesn't have to be a hassle. By separating the display of the formatted date from the actual data binding, you can achieve the desired output while ensuring that changes from the user are correctly captured and reflected in the underlying JavaScript variable. If you implement the method outlined above, you'll provide your users with a smooth and clear date input experience.

Whether you're handling dates from an API or managing date inputs in your Angular application, understanding how to manage formats can drastically improve usability and user satisfaction.

Happy coding!