apply classes on condition in angular 8 code example
Example 1: ngclass condition
[class.my-class]="step === 'step1'"
Example 2: ngclass condition
[ngClass]="{'my-class': step === 'step1', 'my-class2':step === 'step2' }"
[class.my-class]="step === 'step1'"
[ngClass]="{'my-class': step === 'step1', 'my-class2':step === 'step2' }"