Answers for "angular inline class if"

ngclass else

<p class="{{condition ? 'checked' : 'unchecked'}}">
<!-- or -->
<p [ngClass]="condition ? 'checked' : 'unchecked'">
<!--or -->
<p [ngClass]="[condition ? 'checked' : 'unchecked']">

Angular 8 ngClass If

[ngClass]="{'my-class': step=='step1', 'my-class2':step=='step2' }"