title: How to avoid duplication elem when dragging (safari)
body: <p>I made draggable slider with attr draggable='true'. When i drag this element in safari, it duplicates. How to avoid this?</p>
  <p><strong>draggable duplication</strong></p>
  <p><a href="https://i.stack.imgur.com/97Jbp.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/97Jbp.jpg" alt="enter image description here" /></a></p>