$drag

the method is called when a drag operation is initiated

string $drag(HTMLElement source,Event ev);

Parameters

sourceHTMLElementa DOM element on which a dnd action has started
evEventa native HTML event

Returns

stringa text which will be used in a dnd placeholder, returning false or an empty string will block dnd

Related samples

Details

The method is not purposed for direct call! It is an extension point.

You can override it with your own logic, but check drag-n-drop related events first, as they provide a much more convenient way for drag-n-drop handling.

See also
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