read more and read less using angularjs code example

Example 1: how to implement read more and readless in angular

<div [ngClass]="{'show-less': showShortDesciption}">
      <!-- Your Text Here -->
</div

Example 2: how to implement read more and readless in angular

<button type="button" (click)="alterDescriptionText()">
   { showShortDesciption ? 'SHOW ALL': 'SHOW LESS' }}
 </button>