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JavaScript Angular Basics Angular Components Structural Directives

How to read event binding?

In the video Andrew wrote code as follows

<button type="button" click="isLiked = !isLiked" [ngClass]="{{liked:isLiked}}"><button>

How do i read this for a TypeScript starter

1 Answer

Per Karlsson
Per Karlsson
12,683 Points

Hi @ammarkhan,

(click)="isLiked = !isLiked"

swaps the isLiked boolean between true or false every time you click the button.


checks if the boolean is true, if it is it applies the class liked to the button.

Hope this explains it.

Cheers, Per