ngclass or condition code example

Example 1: ngclass multiple conditions

<a [ngClass]="{'class1':array.status === 'active','class2':array.status === 'idle','class3':array.status === 'inactive',}">

Example 2: conditional classes angular

<div 
  [className]="isActive ? 'active' : 'inactive'">
</div>

Example 3: Angular 8 ngClass If

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