<?xml version="1.0" encoding="utf-8"?>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Selection drag and drop from texarea to block element</title>
<style type="text/css">
div[ondragenter]
  {width:300px;
  height:100px;
  margin-top:20px;
  padding:10px;
  color:white;
  background-color:navy;}
textarea
  {height:1.5em;
  width:7em;}
</style>
</head>
<body onload="var t = document.querySelector('textarea');t.select();t.setSelectionRange(0,7)">
<p>Drag selected text to the blue box. Copy of selection should end up in the blue box once you drop it there.</p>
<p><textarea>Drag me</textarea></p>
<div
  ondragenter="event.preventDefault()"
  ondragover="return false"
  ondrop="document.querySelector('div').appendChild(document.createTextNode(event.dataTransfer.getData('text/plain')))"
/>
</body>
</html>