Add class to an element in Angular 4

Question

I was trying to create an image gallery with Angular 4.The logic behind this is to add a Cascading Style Sheet (CSS) class to the selected image that will show a red border on t

Answer 1

Use [ngClass] and conditionally apply class based on the id.

In your HTML file:

In your TypeScript file:

addClass(id: any) {
    this.id = id;
}