Section: http://www.whatwg.org/specs/web-apps/current-work/#introduction-5

Comment:
<p>What fruits do you like?</p> <ol ondragstart="dragStartHandler(event)"> 
<li draggable data-value="fruit-apple">Apples</li>  <li draggable
data-value="fruit-orange">Oranges</li>	<li draggable
data-value="fruit-pear">Pears</li> </ol> <script>   var internalDNDType =
'text/x-example'; // set this to something specific to your site   function
dragStartHandler(event) {     if (event.target instanceof HTMLLIElement) {    
  // use the element's data-value="" attribute as the value to be moving:     
 event.dataTransfer.setData(internalDNDType, event.target.dataset.value);     
 event.effectAllowed = 'move'; // only allow moves     } else {      
event.preventDefault(); // don't allow selection to be dragged	   }   }
</script>

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