drag and drop
by danmana
HTML
Drag something in the drop box below.
<div id="dropbox"></div>
CSS
#dropbox{
width: 300px;
height: 100px;
background-color:#AAA;
color:white;
}
JavaScript
var box=document.getElementById('dropbox');
box.addEventListener('dragover',function(e){
box.innerHTML = JSON.stringify(e.dataTransfer.types)+'<br>';
if (e.dataTransfer.types[0].indexOf('text')>=0){
e.dataTransfer.effectAllowed='none';
}
});