angular if true add class code example
Example 1: Angular 8 ngClass If
[ngClass]="{'my-class': step=='step1'}"
Example 2: Angular 8 ngClass If
[ngClass]="(step=='step1')?'my-class1':'my-class2'"
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'"