What is the difference in Angular 2 between the following snippets: <div [class.extra-sparkle]="isDelightful"> <div [ngClass]="{'extra-sparkle': isDelightful}">

What is wrong with my Angular code? I am getting the following error: Cannot read property 'remove' of undefined at BrowserDomAdapter.removeClass <ol> <li *ngClass="{active: step==...

In Angular, I would like to use ngClass and click event to toggle class. I looked through online but some are angular1 and there isn't any clear instruction or example. Any help will be much apprec...

I want to add class names from a variable, but it's depends on another variable in Angular 9. Here is my TypeScript code export class InputComponent implements OnInit { @Input() inputBlockClass ...

I have two anchor tags <ul class="switchNav"> <li [ngClass]="!hidePanel2 ? 'active' : ''"> <a href="javascript:void(0)" (click) ="hideShowPanel(1)">panel 1</a> </li&...

I am following Template syntax section for the application of built-in attribute and structural directives from here https://v4.angular.io/guide/template-syntax#ngclass currentClasses: {}; setCur...