DataTransfer.mozItemCount

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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.

The DataTransfer.mozItemCount property returns the number of items being dragged. This can be used, for example, to get the number of files being dragged.

Note: This property is Gecko-specific.

This property is Read only .

Syntax

dataTransfer.mozItemCount;

Return value

A number representing the number of items being dragged.

Example

This example shows the use of the mozItemCount property.

function drop_handler(event)
{
  var files = [];
  var dt = event.dataTransfer;
  for (var i = 0; i < dt.mozItemCount; i++)
    files.push(dt.mozGetDataAt("application/x-moz-file", i));
}

Specifications

This property is not defined in any Web standard.

Browser compatibility

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
mozItemCount
ExperimentalNon-standard
Chrome No support NoEdge No support NoFirefox Full support YesIE No support NoOpera No support NoSafari No support NoWebView Android No support NoChrome Android No support NoFirefox Android ? Opera Android No support NoSafari iOS No support NoSamsung Internet Android No support No

Legend

Full support  
Full support
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