Скачать или смотреть How to Toggle the Title Attribute in Angular on Click

Learn how to dynamically `change` the title attribute of an HTML element in Angular with a simple click using TypeScript.
---
This video is based on the question https://stackoverflow.com/q/73072363/ asked by the user 'Thiago Souza' ( https://stackoverflow.com/u/19552422/ ) and on the answer https://stackoverflow.com/a/73072860/ provided by the user 'Telman' ( https://stackoverflow.com/u/5316981/ ) 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 change title attribute inside a tag when clicked with Angular?

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 Toggle the Title Attribute in Angular on Click

Are you looking to make your Angular application more interactive? A common requirement is to toggle an attribute value, such as changing the title of an HTML element when a user clicks on it. This is a great way to provide feedback and enhance user experience.

In this guide, we will explore how to change the title attribute of an <a> tag and toggle it back and forth when clicked. Let’s dive into the solution.

The Challenge

You may have encountered a situation where you want to change the title of an element dynamically. The title should change to a new value when the element is clicked, and revert to its original value upon a second click. Here's a look at the initial code you might have:

Starting HTML

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

Starting TypeScript Function

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

While the function above successfully changes the title to "2" on click, it doesn't handle toggling back to the original title value.

The Solution

To achieve the desired toggle functionality, we need to store the original title value and switch between it and the new value. Here's how to do that step-by-step:

Step 1: Define a Default Title

In your TypeScript file, define a property to hold the default title. This allows us to easily switch back to the original value.

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

Step 2: Update the Magic Function

Next, modify the magic() function to check if the current title matches the default title. If it does, switch to the new title; otherwise, revert back.

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

Step 3: Revise the HTML

Now, update your HTML to use Angular’s property binding for the title attribute. This ensures that the title changes are reflected in the DOM:

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

Putting It All Together

Here’s how your complete Angular component should look:

Complete TypeScript Code

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

Complete HTML Code

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

Conclusion

By following these steps, you've successfully created an interactive title toggling feature in your Angular application! Now, when you click the link, the title attribute will switch between the original value and the new one seamlessly, enhancing user interactivity.

Feel free to experiment with different values for your titles and see how it impacts user engagement. Happy coding!