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Скачать или смотреть How to Listen to the Close Event of a Modal in Angular and ngBootstrap

  • vlogize
  • 2025-08-11
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How to Listen to the Close Event of a Modal in Angular and ngBootstrap
How to listen the close event of a modal in ngBootstrap and Angular?angulartypescriptng bootstrapangular2 observables
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Описание к видео How to Listen to the Close Event of a Modal in Angular and ngBootstrap

Discover how to effectively listen to the close event of a modal in Angular using ngBootstrap. Learn to implement data emission and subscription in your components.
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This video is based on the question https://stackoverflow.com/q/65101495/ asked by the user 'geraktOfRivia' ( https://stackoverflow.com/u/13435530/ ) and on the answer https://stackoverflow.com/a/65109154/ provided by the user 'Pavithra Muthusamy' ( https://stackoverflow.com/u/13259717/ ) 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: How to listen the close event of a modal in ngBootstrap and Angular?

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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.

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How to Listen to the Close Event of a Modal in Angular and ngBootstrap

Working with modals in Angular using ngBootstrap is a common requirement in web applications. However, developers sometimes face challenges when trying to listen for the close event of a modal. In this post, we’ll break down how to effectively handle this event, emit data from the modal, and ensure proper communication between your components.

The Problem Statement

Imagine you have two components: one for launching a modal (JokerComponent) and another for displaying content inside the modal (OtherComponent). You want to know how to capture the event when this modal closes and maybe even get some data back from it. Let’s see how to implement this functionality step by step.

Step 1: Setting Up Your Components

The First Component: JokerComponent

This component is responsible for opening the modal. Below is the relevant TypeScript code and HTML template.

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

The open() method is where the modal is launched, and we add two handlers for results: one for when it closes normally, and another for when it is dismissed.

The Second Component: OtherComponent

This component displays the modal's content and needs the ability to close the modal and send data back to JokerComponent.

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

In this component, the close() method is used to close the modal, and it can also send data back to the parent component when it's done.

Step 2: Receiving Data on Close

In the JokerComponent, you can listen for data emitted from OtherComponent using the .result property of the modal reference. The result.then() method allows you to handle the data returned from the modal. You can check if there is any data received, as shown in the earlier code snippet.

Important Points to Note:

Using Observables: The modal's close event is not an Observable, but a Promise. Use then and catch methods to manage success and failure.

Unsubscription: Typically, with modal closures, no manual unsubscription is required since you are dealing with promises. However, if you implement subscriptions elsewhere, make sure to unsubscribe accordingly to avoid memory leaks.

Conclusion

Listening to the close event of a modal in Angular using ngBootstrap is straightforward when you follow the proper procedure. By using the Result property of the modal reference, you can effectively manage data emission and events between components. Now, you should be able to launch modals and seamlessly handle their closure in your Angular applications.

With this knowledge, you can build more interactive and responsive user interfaces that provide immediate feedback to your users!

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