accesskey Specifies a shortcut key to activate/focus an element class Specifies one or more classnames for an element (refers to a class in a style sheet) contenteditable Specifies whether the content of an element is editable or not data-* Used to store custom data private to the page or application dir Specifies the text direction for the content in an element draggable Specifies whether an element is draggable or not enterkeyhint Specifies the text of the enter-key on a virtual keybord hidden Specifies that an element is not yet, or is no longer, relevant id Specifies a unique id for an element inert Specifies that the browser should ignore this section inputmode Specifies the mode of a virtual keyboard lang Specifies the language of the element's content popover Specifies a popover element spellcheck Specifies whether the element is to have its spelling and grammar checked or not style Specifies an inline CSS style for an element