title: How to auto generate sequence number in HTML textbox by clicking on button
body: <p>How to auto generate sequence number in HTML text box by clicking on button.</p>
  
  <p><a href="https://i.stack.imgur.com/1gPfF.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/1gPfF.png" alt="enter image description here"></a></p>