« DOM Reference

This feature is non-standard and is not on a standards track. Do not use it on production sites facing the Web: it will not work for every user. There may also be large incompatibilities between implementations and the behavior may change in the future.


An event handler for drag and drop events sent to the window.


window.ondragdrop = funcRef;
window.addEventListener("dragdrop", funcRef, useCapturing);
the event handler function to be registered.

The window.ondragdrop property and the ondragdrop attribute are not implemented in Gecko (bug 112288), you have to use addEventListener. See addEventListener for details.


Fire an alert on dragdrop

In this example, an event listener is added to the window (the event target). If, from an external source, a tab, a link, marked text or a file is dragged and dropped onto this window, the alert is fired. Note how event.stopPropagation(); prevents the browser from loading the dropped tab, link or file.


<script type="text/javascript">

window.addEventListener("dragdrop", testfunc, false);

function testfunc(event) {

I am bodytext


The array available in NN4 seems to be unavailable in Gecko. See also .


Not part of specification.

Document Tags and Contributors

Contributors to this page: Sheppy, Tprogers, LibreGeekingKid, Nickolay, Rappo, Tobi, teoli
Last updated by: teoli,
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