005-manual.html (984B)
1 <!DOCTYPE html> 2 <?xml version="1.0" encoding="utf-8"?> 3 <html xmlns="http://www.w3.org/1999/xhtml"> 4 <head> 5 <title>Adding element to datastore on dragenter</title> 6 <style type="text/css"> 7 span, strong 8 {color:green; 9 background-color:yellow;} 10 strong 11 {color:red;} 12 div 13 {width:100px; 14 height:100px; 15 background-color:silver; 16 margin-top:20px;} 17 </style> 18 <script type="application/ecmascript"> 19 function start(event) 20 {event.dataTransfer.effectAllowed = 'copy'; 21 event.dataTransfer.addElement(document.querySelector('span'));} 22 function resetImage(event) 23 {event.preventDefault(); 24 event.dataTransfer.addElement(document.querySelector('strong'));} 25 </script> 26 </head> 27 <body> 28 <p><a href="data:text/plain,1" ondragstart="start(event)">Drag me</a></p> 29 <p>Try to drag link above to the silver box. You should see word <span>PASS</span> not <strong>FAIL</strong> in feedback overlay all the time.</p> 30 <div ondragenter="resetImage(event)" ondragover="return false"></div> 31 </body> 32 </html>