Non-standard 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.
DeprecatedThis feature is no longer recommended. Though some browsers might still support it, it may have already been removed from the relevant web standards, may be in the process of being dropped, or may only be kept for compatibility purposes. Avoid using it, and update existing code if possible; see the compatibility table at the bottom of this page to guide your decision. Be aware that this feature may cease to work at any time.
The DataTransfer.mozGetDataAt()
method is used to retrieve an item in the drag event's data transfer
object, based on a given format
and index
. This method returns null
if the specified item does not exist or if the index is not in the range from zero to the number of items minus one.
Note: This method is Gecko-specific.
Syntax
nsIVariant dataTransfer.mozGetDataAt([type], index);
Arguments
- type
- A
string
representing the type of the drag data to retrieve from thedrag data object
. - index
- A
unsigned long
representing the index of the data to retrieve.
Return value
nsIVariant
- The data item requested. If the specified item does not exist,
null
is returned.
Example
This example shows the use of the mozGetDataAt()
method in a drop
event handler.
function drop_handler(event)
{
var dt = event.dataTransfer;
var count = dt.mozItemCount;
output("Items: " + count + "\n");
for (var i = 0; i < count; i++) {
output(" Item " + i + ":\n");
var types = dt.mozTypesAt(i);
for (var t = 0; t < types.length; t++) {
output(" " + types[t] + ": ");
try {
var data = dt.mozGetDataAt(types[t], i);
output("(" + (typeof data) + ") : <" + data + " >\n");
} catch (ex) {
output("<>\n");
dump(ex);
}
}
}
}
Specifications
This method is not defined in any Web standard.
Browser compatibility
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Update compatibility data on GitHub
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Chrome
No support No |
Edge
No support No |
Firefox
No support ? — 71 |
IE
No support No |
Opera
No support No |
Safari
No support No |
WebView Android
No support No |
Chrome Android
No support No |
Firefox Android
? |
Opera Android
No support No |
Safari iOS
No support No |
Samsung Internet Android
No support No |
Legend
- No support
- No support
- Compatibility unknown
- Compatibility unknown
- Experimental. Expect behavior to change in the future.'
- Experimental. Expect behavior to change in the future.
- Non-standard. Expect poor cross-browser support.'
- Non-standard. Expect poor cross-browser support.
See also
DataTransfer.mozGetDataAt() by Mozilla Contributors is licensed under CC-BY-SA 2.5.