multiple ng class angular 6 code example
Example 1: ngclass multiple conditions
<a [ngClass]="{'class1':array.status === 'active','class2':array.status === 'idle','class3':array.status === 'inactive',}">
Example 2: Angular 8 ngClass If
[ngClass]="{'my-class': step=='step1', 'my-class2':step=='step2' }"