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Interface Node

Node is an interface from which a number of DOM API object types inherit. It allows those types to be treated similarly; for example, inheriting the same set of methods, or being tested in the same way.

Hierarchy

Index

Properties

Readonly ATTRIBUTE_NODE

ATTRIBUTE_NODE: number

Readonly CDATA_SECTION_NODE

CDATA_SECTION_NODE: number

node is a CDATASection node.

Readonly COMMENT_NODE

COMMENT_NODE: number

node is a Comment node.

Readonly DOCUMENT_FRAGMENT_NODE

DOCUMENT_FRAGMENT_NODE: number

node is a DocumentFragment node.

Readonly DOCUMENT_NODE

DOCUMENT_NODE: number

node is a document.

Readonly DOCUMENT_POSITION_CONTAINED_BY

DOCUMENT_POSITION_CONTAINED_BY: number

Set when other is a descendant of node.

Readonly DOCUMENT_POSITION_CONTAINS

DOCUMENT_POSITION_CONTAINS: number

Set when other is an ancestor of node.

Readonly DOCUMENT_POSITION_DISCONNECTED

DOCUMENT_POSITION_DISCONNECTED: number

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

Readonly DOCUMENT_POSITION_FOLLOWING

DOCUMENT_POSITION_FOLLOWING: number

Set when other is following node.

Readonly DOCUMENT_POSITION_IMPLEMENTATION_SPECIFIC

DOCUMENT_POSITION_IMPLEMENTATION_SPECIFIC: number

Readonly DOCUMENT_POSITION_PRECEDING

DOCUMENT_POSITION_PRECEDING: number

Set when other is preceding node.

Readonly DOCUMENT_TYPE_NODE

DOCUMENT_TYPE_NODE: number

node is a doctype.

Readonly ELEMENT_NODE

ELEMENT_NODE: number

node is an element.

Readonly ENTITY_NODE

ENTITY_NODE: number

Readonly ENTITY_REFERENCE_NODE

ENTITY_REFERENCE_NODE: number

EventTarget

EventTarget: { constructor: any; prototype: EventTarget }

Type declaration

Readonly NOTATION_NODE

NOTATION_NODE: number

Readonly PROCESSING_INSTRUCTION_NODE

PROCESSING_INSTRUCTION_NODE: number

node is a ProcessingInstruction node.

Readonly TEXT_NODE

TEXT_NODE: number

node is a Text node.

Readonly baseURI

baseURI: string

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

Readonly childNodes

childNodes: NodeListOf<ChildNode>

Returns the children.

Readonly firstChild

firstChild: ChildNode | null

Returns the first child.

Readonly isConnected

isConnected: boolean

Returns true if node is connected and false otherwise.

Readonly lastChild

lastChild: ChildNode | null

Returns the last child.

Readonly namespaceURI

namespaceURI: string | null
deprecated

Readonly nextSibling

nextSibling: ChildNode | null

Returns the next sibling.

Readonly nodeName

nodeName: string

Returns a string appropriate for the type of node.

Readonly nodeType

nodeType: number

Returns the type of node.

nodeValue

nodeValue: string | null

Readonly ownerDocument

ownerDocument: Document | null

Returns the node document. Returns null for documents.

Readonly parentElement

parentElement: HTMLElement | null

Returns the parent element.

Readonly parentNode

parentNode: (Node & ParentNode) | null

Returns the parent.

Readonly previousSibling

previousSibling: ChildNode | null

Returns the previous sibling.

textContent

textContent: string | null

Methods

addEventListener

  • 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.

    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

    Returns void

appendChild

  • appendChild<T>(newChild: T): T
  • Type parameters

    Parameters

    • newChild: T

    Returns T

cloneNode

  • cloneNode(deep?: boolean): Node
  • Returns a copy of node. If deep is true, the copy also includes the node's descendants.

    Parameters

    • Optional deep: boolean

    Returns Node

compareDocumentPosition

  • compareDocumentPosition(other: Node): number
  • Returns a bitmask indicating the position of other relative to node.

    Parameters

    Returns number

contains

  • contains(other: Node | null): boolean
  • Returns true if other is an inclusive descendant of node, and false otherwise.

    Parameters

    • other: Node | null

    Returns boolean

dispatchEvent

  • 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

    Returns boolean

getRootNode

  • Returns node's root.

    Parameters

    Returns Node

hasChildNodes

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

    Returns boolean

insertBefore

  • insertBefore<T>(newChild: T, refChild: Node | null): T
  • Type parameters

    Parameters

    • newChild: T
    • refChild: Node | null

    Returns T

isDefaultNamespace

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

    • namespace: string | null

    Returns boolean

isEqualNode

  • isEqualNode(otherNode: Node | null): boolean
  • Returns whether node and otherNode have the same properties.

    Parameters

    • otherNode: Node | null

    Returns boolean

isSameNode

  • isSameNode(otherNode: Node | null): boolean
  • Parameters

    • otherNode: Node | null

    Returns boolean

lookupNamespaceURI

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

    • prefix: string | null

    Returns string | null

lookupPrefix

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

    • namespace: string | null

    Returns string | null

normalize

  • 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

  • removeChild<T>(oldChild: T): T
  • Type parameters

    Parameters

    • oldChild: T

    Returns T

removeEventListener

replaceChild

  • replaceChild<T>(newChild: Node, oldChild: T): T
  • Type parameters

    Parameters

    • newChild: Node
    • oldChild: T

    Returns T

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