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A DOM element's attribute as an object. In most DOM methods, you will probably directly retrieve the attribute as a string (e.g., Element.getAttribute(), but certain functions (e.g., Element.getAttributeNode()) or means of iterating give Attr types.

Hierarchy

Index

Properties

ATTRIBUTE_NODE: number
CDATA_SECTION_NODE: number

node is a CDATASection node.

COMMENT_NODE: number

node is a Comment node.

DOCUMENT_FRAGMENT_NODE: number

node is a DocumentFragment node.

DOCUMENT_NODE: number

node is a document.

DOCUMENT_POSITION_CONTAINED_BY: number

Set when other is a descendant of node.

DOCUMENT_POSITION_CONTAINS: number

Set when other is an ancestor of node.

DOCUMENT_POSITION_DISCONNECTED: number

Set when node and other are not in the same tree.

DOCUMENT_POSITION_FOLLOWING: number

Set when other is following node.

DOCUMENT_POSITION_IMPLEMENTATION_SPECIFIC: number
DOCUMENT_POSITION_PRECEDING: number

Set when other is preceding node.

DOCUMENT_TYPE_NODE: number

node is a doctype.

ELEMENT_NODE: number

node is an element.

ENTITY_NODE: number
ENTITY_REFERENCE_NODE: number
NOTATION_NODE: number
PROCESSING_INSTRUCTION_NODE: number

node is a ProcessingInstruction node.

TEXT_NODE: number

node is a Text node.

baseURI: string

Returns node's node document's document base URL.

childNodes: NodeListOf<ChildNode>

Returns the children.

firstChild: null | ChildNode

Returns the first child.

isConnected: boolean

Returns true if node is connected and false otherwise.

lastChild: null | ChildNode

Returns the last child.

localName: string
name: string
namespaceURI: null | string
nextSibling: null | ChildNode

Returns the next sibling.

nodeName: string

Returns a string appropriate for the type of node.

nodeType: number

Returns the type of node.

nodeValue: null | string
ownerDocument: internal.Document
ownerElement: null | internal.Element
parentElement: null | internal.HTMLElement

Returns the parent element.

parentNode: null | ParentNode

Returns the parent.

prefix: null | string
previousSibling: null | ChildNode

Returns the previous sibling.

specified: boolean
deprecated
textContent: null | string
value: string

Methods

  • addEventListener(type: string, callback: null | EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void
  • Appends an event listener for events whose type attribute value is type. The callback argument sets the callback that will be invoked when the event is dispatched.

    The options argument sets listener-specific options. For compatibility this can be a boolean, in which case the method behaves exactly as if the value was specified as options's capture.

    When set to true, options's capture prevents callback from being invoked when the event's eventPhase attribute value is BUBBLING_PHASE. When false (or not present), callback will not be invoked when event's eventPhase attribute value is CAPTURING_PHASE. Either way, callback will be invoked if event's eventPhase attribute value is AT_TARGET.

    When set to true, options's passive indicates that the callback will not cancel the event by invoking preventDefault(). This is used to enable performance optimizations described in ยง 2.8 Observing event listeners.

    When set to true, options's once indicates that the callback will only be invoked once after which the event listener will be removed.

    If an AbortSignal is passed for options's signal, then the event listener will be removed when signal is aborted.

    The event listener is appended to target's event listener list and is not appended if it has the same type, callback, and capture.

    Parameters

    • type: string
    • callback: null | EventListenerOrEventListenerObject
    • Optional options: boolean | AddEventListenerOptions

    Returns void

  • appendChild<T>(node: T): T
  • Type Parameters

    Parameters

    • node: T

    Returns T

  • Returns a copy of node. If deep is true, the copy also includes the node's descendants.

    Parameters

    • Optional deep: boolean

    Returns internal.Node

  • Returns a bitmask indicating the position of other relative to node.

    Parameters

    Returns number

  • Returns true if other is an inclusive descendant of node, and false otherwise.

    Parameters

    Returns boolean

  • dispatchEvent(event: Event): boolean
  • Dispatches a synthetic event event to target and returns true if either event's cancelable attribute value is false or its preventDefault() method was not invoked, and false otherwise.

    Parameters

    • event: Event

    Returns boolean

  • Returns node's root.

    Parameters

    Returns internal.Node

  • hasChildNodes(): boolean
  • Returns whether node has children.

    Returns boolean

  • Type Parameters

    Parameters

    Returns T

  • isDefaultNamespace(namespace: null | string): boolean
  • Parameters

    • namespace: null | string

    Returns boolean

  • Returns whether node and otherNode have the same properties.

    Parameters

    Returns boolean

  • Parameters

    Returns boolean

  • lookupNamespaceURI(prefix: null | string): null | string
  • Parameters

    • prefix: null | string

    Returns null | string

  • lookupPrefix(namespace: null | string): null | string
  • Parameters

    • namespace: null | string

    Returns null | string

  • normalize(): void
  • Removes empty exclusive Text nodes and concatenates the data of remaining contiguous exclusive Text nodes into the first of their nodes.

    Returns void

  • removeChild<T>(child: T): T
  • Type Parameters

    Parameters

    • child: T

    Returns T

  • removeEventListener(type: string, callback: null | EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void
  • Removes the event listener in target's event listener list with the same type, callback, and options.

    Parameters

    • type: string
    • callback: null | EventListenerOrEventListenerObject
    • Optional options: boolean | EventListenerOptions

    Returns void

  • Type Parameters

    Parameters

    Returns T

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