Optionalaria-Identifies the currently active element when DOM focus is on a composite widget, textbox, group, or application.
Optionalaria-Indicates whether assistive technologies will present all, or only parts of, the changed region based on the change notifications defined by the aria-relevant attribute.
Optionalaria-Indicates whether inputting text could trigger display of one or more predictions of the user's intended value for an input and specifies how predictions would be presented if they are made.
Optionalaria-Indicates an element is being modified and that assistive technologies MAY want to wait until the modifications are complete before exposing them to the user.
Optionalaria-Indicates the current "checked" state of checkboxes, radio buttons, and
other widgets. See aria-pressed and aria-selected.
Optionalaria-Defines the total number of columns in a table, grid, or treegrid.
See aria-colindex.
Optionalaria-Defines an element's column index or position with respect to the total number of columns within a table, grid, or treegrid.
Optionalaria-Defines the number of columns spanned by a cell or gridcell within a table, grid, or treegrid.
Optionalaria-Identifies the element (or elements) whose contents or presence are
controlled by the current element. See aria-owns.
Optionalaria-Indicates the element that represents the current item within a container or set of related elements.
Optionalaria-Identifies the element (or elements) that describes the object.
See aria-labelledby.
Optionalaria-Identifies the element that provides a detailed, extended description for
the object. See aria-describedby.
Optionalaria-Indicates that the element is perceivable but disabled, so it is not
editable or otherwise operable. See aria-hidden and
aria-readonly.
Optionalaria-Indicates what functions can be performed when a dragged object is released on the drop target.
Optionalaria-Identifies the element that provides an error message for the object.
Optionalaria-Indicates whether the element, or another grouping element it controls, is currently expanded or collapsed.
Optionalaria-Identifies the next element (or elements) in an alternate reading order of content which, at the user's discretion, allows assistive technology to override the general default of reading in document source order.
Optionalaria-Indicates an element's "grabbed" state in a drag-and-drop operation.
Optionalaria-Indicates the availability and the type of interactive popup element, such as menu or dialog, that can be triggered by an element.
Optionalaria-Indicates whether the element is exposed to an accessibility API.
See aria-disabled.
Optionalaria-Indicates the entered value does not conform to the format expected by
the application. See aria-errormessage.
Optionalaria-Indicates keyboard shortcuts that an author has implemented to activate or give focus to an element.
Optionalaria-Defines a string value that labels the current element.
See aria-labelledby.
Optionalaria-Identifies the element (or elements) that labels the current element.
See aria-describedby.
Optionalaria-Defines the hierarchical level of an element within a structure.
Optionalaria-Indicates that an element will be updated and describes the types of updates the user agents, assistive technologies, and user can expect from the live region.
Optionalaria-Indicates whether an element is modal when displayed.
Optionalaria-Indicates whether a text box accepts multiple lines of input or only a single line.
Optionalaria-Indicates that the user may select more than one item from the current selectable descendants.
Optionalaria-Indicates whether the element's orientation is horizontal, vertical, or unknown/ambiguous.
Optionalaria-Identifies an element (or elements) to define a visual, functional,
or contextual parent/child relationship between DOM elements where the DOM
hierarchy cannot be used to represent the relationship.
See aria-controls.
Optionalaria-Defines a short hint (a word or short phrase) intended to aid the user with data entry when the control has no value. A hint could be a sample value or a brief description of the expected format.
Optionalaria-Defines an element's number or position in the current set of listitems or
treeitems. Not required if all elements in the set are present in the DOM.
See aria-setsize.
Optionalaria-Indicates the current "pressed" state of toggle buttons.
See aria-checked and aria-selected.
Optionalaria-Indicates that the element is not editable but is otherwise operable.
See aria-disabled.
Optionalaria-Indicates what notifications the user agent will trigger when the
accessibility tree within a live region is modified.
See aria-atomic.
Optionalaria-Indicates that user input is required on the element before a form may be submitted.
Optionalaria-Defines a human-readable, author-localized description for the role of an element.
Optionalaria-Defines the total number of rows in a table, grid, or treegrid.
See aria-rowindex.
Optionalaria-Defines an element's row index or position with respect to the total number
of rows within a table, grid, or treegrid. See aria-rowcount
and aria-rowspan.
Optionalaria-Defines the number of rows spanned by a cell or gridcell within a table,
grid, or treegrid. See aria-rowindex and aria-colspan.
Optionalaria-Indicates the current "selected" state of various widgets.
See aria-checked and aria-pressed.
Optionalaria-Defines the number of items in the current set of listitems or treeitems.
Not required if all elements in the set are present in the DOM.
See aria-posinset.
Optionalaria-Indicates if items in a table or grid are sorted in ascending or descending order.
Optionalaria-Defines the maximum allowed value for a range widget.
Optionalaria-Defines the minimum allowed value for a range widget.
Optionalaria-Defines the current value for a range widget.
See aria-valuetext.
Optionalaria-Defines the human-readable text alternative of aria-valuenow
for a range widget.
OptionalinputmodeHints at the type of data that might be entered by the user while editing
the element or its contents. See the specification for inputmode.
OptionalisSpecify that a standard HTML element should behave like a defined custom
built-in element. See the specification for is.
OptionalonabortFires when the user aborts the download.
OptionalonanimationcancelOptionalonanimationendOptionalonanimationiterationOptionalonanimationstartOptionalonauxclickOptionalonbeforeinputOptionalonbeforetoggleOptionalonblurFires when the object loses the input focus.
OptionaloncancelOptionaloncanplayOccurs when playback is possible, but would require further buffering.
OptionaloncanplaythroughOptionalonchangeFires when the contents of the object or selection have changed.
OptionalonclickFires when the user clicks the left mouse button on the object
OptionaloncloseOptionaloncontextlostOptionaloncontextmenuFires when the user clicks the right mouse button in the client area, opening the context menu.
OptionaloncontextrestoredOptionaloncopyOptionaloncuechangeOptionaloncutOptionalondblclickFires when the user double-clicks the object.
OptionalondragFires on the source object continuously during a drag operation.
OptionalondragendFires on the source object when the user releases the mouse at the close of a drag operation.
OptionalondragenterFires on the target element when the user drags the object to a valid drop target.
OptionalondragleaveFires on the target object when the user moves the mouse out of a valid drop target during a drag operation.
OptionalondragoverFires on the target element continuously while the user drags the object over a valid drop target.
OptionalondragstartFires on the source object when the user starts to drag a text selection or selected object.
OptionalondropOptionalondurationchangeOccurs when the duration attribute is updated.
OptionalonemptiedOccurs when the media element is reset to its initial state.
OptionalonendedOccurs when the end of playback is reached.
OptionalonerrorFires when an error occurs during object loading.
OptionalonfocusFires when the object receives focus.
OptionalonformdataOptionalongotpointercaptureOptionaloninputOptionaloninvalidOptionalonkeydownFires when the user presses a key.
OptionalonkeypressFires when the user presses an alphanumeric key.
OptionalonkeyupFires when the user releases a key.
OptionalonloadFires immediately after the browser loads the object.
OptionalonloadeddataOccurs when media data is loaded at the current playback position.
OptionalonloadedmetadataOccurs when the duration and dimensions of the media have been determined.
OptionalonloadstartOccurs when Internet Explorer begins looking for media data.
OptionalonlostpointercaptureOptionalonmousedownFires when the user clicks the object with either mouse button.
OptionalonmouseenterOptionalonmouseleaveOptionalonmousemoveFires when the user moves the mouse over the object.
OptionalonmouseoutFires when the user moves the mouse pointer outside the boundaries of the object.
OptionalonmouseoverFires when the user moves the mouse pointer into the object.
OptionalonmouseupFires when the user releases a mouse button while the mouse is over the object.
OptionalonpasteOptionalonpauseOccurs when playback is paused.
OptionalonplayOccurs when the play method is requested.
OptionalonplayingOccurs when the audio or video has started playing.
OptionalonpointercancelOptionalonpointerdownOptionalonpointerenterOptionalonpointerleaveOptionalonpointermoveOptionalonpointeroutOptionalonpointeroverOptionalonpointerupOptionalonprogressOccurs to indicate progress while downloading media data.
OptionalonratechangeOccurs when the playback rate is increased or decreased.
OptionalonresetFires when the user resets a form.
OptionalonresizeOptionalonscrollFires when the user repositions the scroll box in the scroll bar on the object.
OptionalonscrollendOptionalonsecuritypolicyviolationOptionalonseekedOccurs when the seek operation ends.
OptionalonseekingOccurs when the current playback position is moved.
OptionalonselectFires when the current selection changes.
OptionalonselectionchangeOptionalonselectstartOptionalonslotchangeOptionalonstalledOccurs when the download has stopped.
OptionalonsubmitOptionalonsuspendOccurs if the load operation has been intentionally halted.
OptionalontimeupdateOccurs to indicate the current playback position.
OptionalontoggleOptionalontouchcancelOptionalontouchendOptionalontouchmoveOptionalontouchstartOptionalontransitioncancelOptionalontransitionendOptionalontransitionrunOptionalontransitionstartOptionalonvolumechangeOccurs when the volume is changed, or playback is muted or unmuted.
OptionalonwaitingOccurs when playback stops because the next frame of a video resource is not available.
OptionalonwebkitanimationendOptionalonwebkitanimationiterationOptionalonwebkitanimationstartOptionalonwebkittransitionendOptionalonwheel
Attributes for a HTMLStyleElement.