add class conditionally angular code example

Example 1: Angular 8 ngClass If

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

Example 2: ngclass condition

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

Example 3: Angular 8 ngClass If

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

Example 4: ngclass multiple conditions

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

Example 5: conditionally assign a css class angular 9

<div [ngClass]="{'message': info.priority < 10,
                 'warn': info.priority > 10 && info.priority < 20, 
                 'error': info.priority > 30}">

{{info.text}}

</div>

Example 6: conditional classes angular

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

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Css Example