New Interactive Attributes in HTML5
accesskey: Represents a keyboard
shortcut to access an element.
contenteditable: Specifies
whether or not the user allowed to edit the content.
contextmenu: Represent the context
menu for an element.
data-yourvalue: Represents user
defined attributes that must start with the data text.
draggable: Specifies whether or
not a user is able to drag an element.
dropzone: specifies the drop
target for a dragged element.
hidden : Hide a non-relevant
element.
spellcheck: specifies the Crammer
and the Spelling checking feature is enabled or not.

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