20/11/2017 Development / angular

There are different type :

type one

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

type two

[ngClass]="{'my-class': step=='step1'}"

type three

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

type four

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