title: Angular not working on Safari browser, but working well on other browsers
body: <p>Angular 5 Project working on Chrome, Internet Explorer, Firefox etc.
  But only not working on Safari Browser.</p>
  
  <p>I am getting error </p>
  
  <blockquote>
    <p>Can't find variable: DragEvent</p>
  </blockquote>
  
  <p><a href="https://i.stack.imgur.com/gz7tS.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/gz7tS.png" alt="enter image description here"></a></p>