add class with ng-if code example
Example 1: Angular 8 ngClass If
[ngClass]="{1:'my-class1',2:'my-class2',3:'my-class4'}[step]"Example 2: Angular 8 ngClass If
[class.my-class]="step=='step1'"[ngClass]="{1:'my-class1',2:'my-class2',3:'my-class4'}[step]"[class.my-class]="step=='step1'"