Optional
aria-Identifies the currently active element when DOM focus is on a composite widget, textbox, group, or application.
Optional
aria-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.
Optional
aria-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.
Optional
aria-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.
Optional
aria-Indicates the current "checked" state of checkboxes, radio buttons, and
other widgets. See aria-pressed
and aria-selected
.
Optional
aria-Defines the total number of columns in a table, grid, or treegrid.
See aria-colindex
.
Optional
aria-Defines an element's column index or position with respect to the total number of columns within a table, grid, or treegrid.
Optional
aria-Defines the number of columns spanned by a cell or gridcell within a table, grid, or treegrid.
Optional
aria-Identifies the element (or elements) whose contents or presence are
controlled by the current element. See aria-owns
.
Optional
aria-Indicates the element that represents the current item within a container or set of related elements.
Optional
aria-Identifies the element (or elements) that describes the object.
See aria-labelledby
.
Optional
aria-Identifies the element that provides a detailed, extended description for
the object. See aria-describedby
.
Optional
aria-Indicates that the element is perceivable but disabled, so it is not
editable or otherwise operable. See aria-hidden
and
aria-readonly
.
Optional
aria-Indicates what functions can be performed when a dragged object is released on the drop target.
Optional
aria-Identifies the element that provides an error message for the object.
Optional
aria-Indicates whether the element, or another grouping element it controls, is currently expanded or collapsed.
Optional
aria-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.
Optional
aria-Indicates an element's "grabbed" state in a drag-and-drop operation.
Optional
aria-Indicates the availability and type of interactive popup element, such as menu or dialog, that can be triggered by an element.
Optional
aria-Indicates whether the element is exposed to an accessibility API.
See aria-disabled
.
Optional
aria-Indicates the entered value does not conform to the format expected by
the application. See aria-errormessage
.
Optional
aria-Indicates keyboard shortcuts that an author has implemented to activate or give focus to an element.
Optional
aria-Defines a string value that labels the current element.
See aria-labelledby
.
Optional
aria-Identifies the element (or elements) that labels the current element.
See aria-describedby
.
Optional
aria-Defines the hierarchical level of an element within a structure.
Optional
aria-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.
Optional
aria-Indicates whether an element is modal when displayed.
Optional
aria-Indicates whether a text box accepts multiple lines of input or only a single line.
Optional
aria-Indicates that the user may select more than one item from the current selectable descendants.
Optional
aria-Indicates whether the element's orientation is horizontal, vertical, or unknown/ambiguous.
Optional
aria-Identifies an element (or elements) in order 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
.
Optional
aria-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.
Optional
aria-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
.
Optional
aria-Indicates the current "pressed" state of toggle buttons.
See aria-checked
and aria-selected
.
Optional
aria-Indicates that the element is not editable, but is otherwise operable.
See aria-disabled
.
Optional
aria-Indicates what notifications the user agent will trigger when the
accessibility tree within a live region is modified.
See aria-atomic
.
Optional
aria-Indicates that user input is required on the element before a form may be submitted.
Optional
aria-Defines a human-readable, author-localized description for the role of an element.
Optional
aria-Defines the total number of rows in a table, grid, or treegrid.
See aria-rowindex
.
Optional
aria-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
.
Optional
aria-Defines the number of rows spanned by a cell or gridcell within a table,
grid, or treegrid. See aria-rowindex
and aria-colspan
.
Optional
aria-Indicates the current "selected" state of various widgets.
See aria-checked
and aria-pressed
.
Optional
aria-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
.
Optional
aria-Indicates if items in a table or grid are sorted in ascending or descending order.
Optional
aria-Defines the maximum allowed value for a range widget.
Optional
aria-Defines the minimum allowed value for a range widget.
Optional
aria-Defines the current value for a range widget.
See aria-valuetext
.
Optional
aria-Defines the human-readable text alternative of aria-valuenow
for a range widget.
Optional
inputmodeHints at the type of data that might be entered by the user while editing
the element or its contents. See the specification for inputmode
.
Optional
isSpecify that a standard HTML element should behave like a defined custom
built-in element. See the specification for is
.
Optional
onabortFires when the user aborts the download.
Optional
onanimationcancelOptional
onanimationendOptional
onanimationiterationOptional
onanimationstartOptional
onauxclickOptional
onbeforeinputOptional
onbeforetoggleOptional
onblurFires when the object loses the input focus.
Optional
oncancelOptional
oncanplayOccurs when playback is possible, but would require further buffering.
Optional
oncanplaythroughOptional
onchangeFires when the contents of the object or selection have changed.
Optional
onclickFires when the user clicks the left mouse button on the object
Optional
oncloseOptional
oncontextlostOptional
oncontextmenuFires when the user clicks the right mouse button in the client area, opening the context menu.
Optional
oncontextrestoredOptional
oncopyOptional
oncuechangeOptional
oncutOptional
ondblclickFires when the user double-clicks the object.
Optional
ondragFires on the source object continuously during a drag operation.
Optional
ondragendFires on the source object when the user releases the mouse at the close of a drag operation.
Optional
ondragenterFires on the target element when the user drags the object to a valid drop target.
Optional
ondragleaveFires on the target object when the user moves the mouse out of a valid drop target during a drag operation.
Optional
ondragoverFires on the target element continuously while the user drags the object over a valid drop target.
Optional
ondragstartFires on the source object when the user starts to drag a text selection or selected object.
Optional
ondropOptional
ondurationchangeOccurs when the duration attribute is updated.
Optional
onemptiedOccurs when the media element is reset to its initial state.
Optional
onendedOccurs when the end of playback is reached.
Optional
onerrorFires when an error occurs during object loading.
Optional
onfocusFires when the object receives focus.
Optional
onformdataOptional
ongotpointercaptureOptional
oninputOptional
oninvalidOptional
onkeydownFires when the user presses a key.
Optional
onkeypressFires when the user presses an alphanumeric key.
Optional
onkeyupFires when the user releases a key.
Optional
onloadFires immediately after the browser loads the object.
Optional
onloadeddataOccurs when media data is loaded at the current playback position.
Optional
onloadedmetadataOccurs when the duration and dimensions of the media have been determined.
Optional
onloadstartOccurs when Internet Explorer begins looking for media data.
Optional
onlostpointercaptureOptional
onmousedownFires when the user clicks the object with either mouse button.
Optional
onmouseenterOptional
onmouseleaveOptional
onmousemoveFires when the user moves the mouse over the object.
Optional
onmouseoutFires when the user moves the mouse pointer outside the boundaries of the object.
Optional
onmouseoverFires when the user moves the mouse pointer into the object.
Optional
onmouseupFires when the user releases a mouse button while the mouse is over the object.
Optional
onpasteOptional
onpauseOccurs when playback is paused.
Optional
onplayOccurs when the play method is requested.
Optional
onplayingOccurs when the audio or video has started playing.
Optional
onpointercancelOptional
onpointerdownOptional
onpointerenterOptional
onpointerleaveOptional
onpointermoveOptional
onpointeroutOptional
onpointeroverOptional
onpointerupOptional
onprogressOccurs to indicate progress while downloading media data.
Optional
onratechangeOccurs when the playback rate is increased or decreased.
Optional
onresetFires when the user resets a form.
Optional
onresizeOptional
onscrollFires when the user repositions the scroll box in the scroll bar on the object.
Optional
onscrollendOptional
onsecuritypolicyviolationOptional
onseekedOccurs when the seek operation ends.
Optional
onseekingOccurs when the current playback position is moved.
Optional
onselectFires when the current selection changes.
Optional
onselectionchangeOptional
onselectstartOptional
onslotchangeOptional
onstalledOccurs when the download has stopped.
Optional
onsubmitOptional
onsuspendOccurs if the load operation has been intentionally halted.
Optional
ontimeupdateOccurs to indicate the current playback position.
Optional
ontoggleOptional
ontouchcancelOptional
ontouchendOptional
ontouchmoveOptional
ontouchstartOptional
ontransitioncancelOptional
ontransitionendOptional
ontransitionrunOptional
ontransitionstartOptional
onvolumechangeOccurs when the volume is changed, or playback is muted or unmuted.
Optional
onwaitingOccurs when playback stops because the next frame of a video resource is not available.
Optional
onwebkitanimationendOptional
onwebkitanimationiterationOptional
onwebkitanimationstartOptional
onwebkittransitionendOptional
onwheel
Attributes for a HTMLTrackElement.