How to assign attributes to all child elements in Angular?

I have a unique component in Angular that I utilize throughout my app. It's a button component which I use by calling 

<app-delete-btn></app-delete-btn>
wherever needed.

I tried to set the tabindex="1" attribute for my component but it didn't work. This attribute helps to define the TAB order for specific HTML elements.

After investigating this issue, it seems that the tabindex does work, but you need to specify it for both the parent and ALL child components.

So, to make it work, I had to do the following:

  • When declaring my custom component in the HTML like 
    <app-delete-btn tabindex="1"></app-delete-btn>
    , I included the tabindex.
  • Then, I also added it within the button element inside the app-delete-btn.ts file under the component - 
    <button tabindex="1">Delete</button>

The challenge here is that since I may reuse that button, I can't add the tabindex directly within the component as it will be applied everywhere the component is used.

So, my question now is: Is there a way to assign a tabindex property to all children (referring to the button declared in the component's HTML) when calling 

<app-delete-btn></app-delete-btn>
?

javascripthtmlcssangulartypescript

Answer №1

Here is a quick tip to enhance your button:


@HostBinding('attr.tab-index')
tabIndex = 1;

By adding this code snippet, you can achieve the same functionality as below:

<app-delete-btn tabindex="1"></app-delete-btn>

All set and ready automatically!

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