The clipboardData attribute is an instance of the DataTransfer interface which lets a script read and manipulate values on the system clipboard during user-initiated copy, cut and paste operations.
The clipboardData attribute is an instance of the DataTransfer interface which lets a script read and manipulate values on the system clipboard during user-initiated copy, cut and paste operations. The associated drag data store is a live but filtered view of the system clipboard, exposing data types the implementation knows the script can safely access.
The clipboardData object's items and files properties enable processing of multi-part or non-textual data from the clipboard.
http://www.w3.org/TR/clipboard-apis/#widl-ClipboardEvent-clipboardData
Stops the default action of an element from happening.
Stops the default action of an element from happening. For example: Prevent a submit button from submitting a form Prevent a link from following the URL
Stops the bubbling of an event to parent elements, preventing any parent event handlers from being executed.
Stops the bubbling of an event to parent elements, preventing any parent event handlers from being executed.
https://github.com/facebook/react/blob/master/src/browser/syntheticEvents/SyntheticClipboardEvent.js