DataTransfer.mozItemCount - Web APIs 编辑

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.

Deprecated

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

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

BCD tables only load in the browser

See also