class condition in angular 8 code example

Example 1: Angular 8 ngClass If

[ngClass]="(step=='step1')?'my-class1':'my-class2'"

Example 2: if condition in class angular 8

<i [class]="user.login_status == 1 ? 'fas fa-circle user_active' : 'fas fa-circle user_inactive'" aria-hidden="true"></i>

Example 3: Angular 8 ngClass If

[ngClass]="{1:'my-class1',2:'my-class2',3:'my-class4'}[step]"

Example 4: Angular 8 ngClass If

[class.my-class]="step=='step1'"