Task 1: Display Image

• app.component.ts

    imageUrl="assets/product1.jpg";

• app.component.html

    <img [src]="imageUrl"> </img> <!-- Property Binding -->

Task 2: Disable Button if form is invalid

   <form #f="ngForm">
       <input type="text" name="username" ngModel required>
       <button [disabled]="f.invalid"> Submit </button>
   </form>

Task 3: Display comments in innerHTML

    comments = "<p>Text</p>";

    <span [innerHTML]="comments"></span>