var dragged;
/* events fired on the draggable target */
document.addEventListener("drag", function( event ) {
}, false);
document.addEventListener("dragstart", function( event ) {
// store a ref. on the dragged elem
dragged = event.target;
// make it half transparent
event.target.style.opacity = .5;
}, false);
document.addEventListener("dragend", function( event ) {
// reset the transparency
event.target.style.opacity = "";
}, false);
/* events fired on the drop targets */
document.addEventListener("dragover", function( event ) {
// prevent default to allow drop
event.preventDefault();
}, false);
document.addEventListener("dragenter", function( event ) {
// highlight potential drop target when the draggable element enters it
if ( event.target.className == "dropzone" ) {
event.target.style.background = "purple";
}
}, false);
document.addEventListener("dragleave", function( event ) {
// reset background of potential drop target when the draggable element leaves it
if ( event.target.className == "dropzone" ) {
event.target.style.background = "";
}
}, false);
document.addEventListener("drop", function( event ) {
// prevent default action (open as link for some elements)
event.preventDefault();
// move dragged elem to the selected drop target
if ( event.target.className == "dropzone" ) {
event.target.style.background = "";
dragged.parentNode.removeChild( dragged );
event.target.appendChild( dragged );
}
}, false);
<div class="dropzone">
<div id="draggable" draggable="true" ondragstart="event.dataTransfer.setData('text/plain',null)">
This div is draggable
</div>
</div>
<div class="dropzone"></div>
<div class="dropzone"></div>
<div class="dropzone"></div>
<div id="draggable" draggable="true" ondragstart="event.dataTransfer.setData('text/plain',null)">
This div is draggable
</div>
<div id="draggable" draggable="true" ondragstart="event.dataTransfer.setData('text/plain',null)">
This div is draggable
</div>
#draggable {
width: 200px;
height: 20px;
text-align: center;
background: white;
border: .1em gray solid;
}
.dropzone {
width: 200px;
height: 20px;
background: blueviolet;
margin-bottom: 10px;
padding: 10px;
}