title: How will achive content show more and show less in angular 6
body: <p>We have 6 content div. And also we using character limit each div.
  We used bootstrap 4 angular 6 version.</p>
  
  <p><a href="https://i.stack.imgur.com/dS04r.jpg" rel="noreferrer">6 div some toggle div content opened and some closed</a>
  How to achive this case.</p>