title: Scrolling up and down in the TextArea
body: <p>Is there any specific function for scrolling up and scrolling down in the <strong>TextArea</strong>. "onscroll" triggers when scrolling up/down happens in the <strong>TextArea</strong>. </p>
  
  <p>Also, how to go to the new line after the last line in the text area and put "dash"(--) when clicking(scrolling) down. Thanks.</p>