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<!DOCTYPE html>
<title>drag &amp; drop - dragging iframes inside draggable elements</title>
body > div {
height: 200px;
width: 200px;
background-color: blue;
position: absolute;
top: 8px;
left: 8px;
body > div + div {
background-color: fuchsia;
left: 258px;
iframe {
border: 5px solid yellow;
height: 130px;
width: 130px;
position: absolute;
top: 30px;
left: 30px;
p:first-of-type {
margin-top: 220px;
window.onload = function() {
var orange = document.getElementsByTagName('div')[0], fuchsia = document.getElementsByTagName('div')[1];
orange.ondragstart = function(e) {
e.dataTransfer.effectAllowed = 'copy';
e.dataTransfer.setData('text/plain', 'FAIL');
fuchsia.ondragenter = fuchsia.ondragover = function(e) {
e.dataTransfer.dropEffect = 'copy';
fuchsia.ondrop = function(e) {
document.getElementsByTagName('p')[0].innerHTML = 'FAIL';
<div draggable='true'><iframe src="about:blank"></iframe></div><div></div>
<p>Use your pointing device to begin dragging inside the yellow border (not on any scrollbars that may appear), over to the pink box, then release it. Pass if nothing is dragged, and if this text does not change.</p>
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