005.xhtml - mozsearch

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<?xml version="1.0" encoding="utf-8"?>

<html xmlns="http://www.w3.org/1999/xhtml">

<head>

<title>Adding element to datastore on dragenter</title>

<style type="text/css">

span, strong

  {color:green;

  background-color:yellow;}

strong

  {color:red;}

div

  {width:100px;

  height:100px;

  background-color:silver;

  margin-top:20px;}

</style>

<script type="application/ecmascript">

function start(event)

  {event.dataTransfer.effectAllowed = 'copy';

  event.dataTransfer.addElement(document.querySelector('span'));}

function resetImage(event)

  {event.preventDefault();

  event.dataTransfer.addElement(document.querySelector('strong'));}

</script>

</head>

<body>

<p><a href="data:text/plain,1" ondragstart="start(event)">Drag me</a></p>

<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>

<div ondragenter="resetImage(event)" ondragover="return false"/>

</body>

</html>