Interface ChildNode

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.

MDN Reference

interface ChildNode {
ATTRIBUTE_NODE : 2;
CDATA_SECTION_NODE : 4;
COMMENT_NODE : 8;
DOCUMENT_FRAGMENT_NODE : 11;
DOCUMENT_NODE : 9;
DOCUMENT_POSITION_CONTAINED_BY : 16;
DOCUMENT_POSITION_CONTAINS : 8;
DOCUMENT_POSITION_DISCONNECTED : 1;
DOCUMENT_POSITION_FOLLOWING : 4;
DOCUMENT_POSITION_IMPLEMENTATION_SPECIFIC : 32;
DOCUMENT_POSITION_PRECEDING : 2;
DOCUMENT_TYPE_NODE : 10;
ELEMENT_NODE : 1;
ENTITY_NODE : 6;
ENTITY_REFERENCE_NODE : 5;
NOTATION_NODE : 12;
PROCESSING_INSTRUCTION_NODE : 7;
TEXT_NODE : 3;
baseURI : string;
childNodes : NodeListOf<ChildNode >;
firstChild : null | ChildNode ;
isConnected : boolean;
lastChild : null | ChildNode ;
nextSibling : null | ChildNode ;
nodeName : string;
nodeType : number;
nodeValue : null | string;
ownerDocument : null | Document ;
parentElement : null | HTMLElement ;
parentNode : null | ParentNode ;
previousSibling : null | ChildNode ;
textContent : null | string;
addEventListener (type: string, callback: null | EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions ): void;
after (...nodes: (string | Node )[]): void;
appendChild <T >(node: T ): T ;
before (...nodes: (string | Node )[]): void;
cloneNode (deep?: boolean): Node ;
compareDocumentPosition (other: Node ): number;
contains (other: null | Node ): boolean;
dispatchEvent (event: Event): boolean;
getRootNode (options?: GetRootNodeOptions ): Node ;
hasChildNodes (): boolean;
insertBefore <T >(node: T, child: null | Node ): T ;
isDefaultNamespace (namespace: null | string): boolean;
isEqualNode (otherNode: null | Node ): boolean;
isSameNode (otherNode: null | Node ): boolean;
lookupNamespaceURI (prefix: null | string): null | string;
lookupPrefix (namespace: null | string): null | string;
normalize (): void;
remove (): void;
removeChild <T >(child: T ): T ;
removeEventListener (type: string, callback: null | EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions ): void;
replaceChild <T >(node: Node, child: T ): T ;
replaceWith (...nodes: (string | Node )[]): void;
}

Hierarchy (view full)

Properties

Methods

Properties

ReadonlyATTRIBUTE_NODE

ATTRIBUTE_NODE: 2

ReadonlyCDATA_SECTION_NODE

CDATA_SECTION_NODE: 4

node is a CDATASection node.

ReadonlyCOMMENT_NODE

COMMENT_NODE: 8

node is a Comment node.

ReadonlyDOCUMENT_FRAGMENT_NODE

DOCUMENT_FRAGMENT_NODE: 11

node is a DocumentFragment node.

ReadonlyDOCUMENT_NODE

DOCUMENT_NODE: 9

node is a document.

ReadonlyDOCUMENT_POSITION_CONTAINED_BY

DOCUMENT_POSITION_CONTAINED_BY: 16

Set when other is a descendant of node.

ReadonlyDOCUMENT_POSITION_CONTAINS

DOCUMENT_POSITION_CONTAINS: 8

Set when other is an ancestor of node.

ReadonlyDOCUMENT_POSITION_DISCONNECTED

DOCUMENT_POSITION_DISCONNECTED: 1

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

ReadonlyDOCUMENT_POSITION_FOLLOWING

DOCUMENT_POSITION_FOLLOWING: 4

Set when other is following node.

ReadonlyDOCUMENT_POSITION_IMPLEMENTATION_SPECIFIC

DOCUMENT_POSITION_IMPLEMENTATION_SPECIFIC: 32

ReadonlyDOCUMENT_POSITION_PRECEDING

DOCUMENT_POSITION_PRECEDING: 2

Set when other is preceding node.

ReadonlyDOCUMENT_TYPE_NODE

DOCUMENT_TYPE_NODE: 10

node is a doctype.

ReadonlyELEMENT_NODE

ELEMENT_NODE: 1

node is an element.

ReadonlyENTITY_NODE

ENTITY_NODE: 6

ReadonlyENTITY_REFERENCE_NODE

ENTITY_REFERENCE_NODE: 5

ReadonlyNOTATION_NODE

NOTATION_NODE: 12

ReadonlyPROCESSING_INSTRUCTION_NODE

PROCESSING_INSTRUCTION_NODE: 7

node is a ProcessingInstruction node.

ReadonlyTEXT_NODE

TEXT_NODE: 3

node is a Text node.

ReadonlybaseURI

baseURI: string

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

MDN Reference

ReadonlychildNodes

childNodes: NodeListOf<ChildNode >

Returns the children.

MDN Reference

ReadonlyfirstChild

firstChild: null | ChildNode

Returns the first child.

MDN Reference

ReadonlyisConnected

isConnected: boolean

Returns true if node is connected and false otherwise.

MDN Reference

ReadonlylastChild

lastChild: null | ChildNode

Returns the last child.

MDN Reference

ReadonlynextSibling

nextSibling: null | ChildNode

Returns the next sibling.

MDN Reference

ReadonlynodeName

nodeName: string

Returns a string appropriate for the type of node.

MDN Reference

ReadonlynodeType

nodeType: number

Returns the type of node.

MDN Reference

nodeValue

nodeValue: null | string

ReadonlyownerDocument

ownerDocument: null | Document

Returns the node document. Returns null for documents.

MDN Reference

ReadonlyparentElement

parentElement: null | HTMLElement

Returns the parent element.

MDN Reference

ReadonlyparentNode

parentNode: null | ParentNode

Returns the parent.

MDN Reference

ReadonlypreviousSibling

previousSibling: null | ChildNode

Returns the previous sibling.

MDN Reference

textContent

textContent: null | string

Methods

addEventListener

  • addEventListener(type, callback, options?): 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 § 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.

    MDN Reference

    Parameters

    Returns void

after

  • after(...nodes): void

  • Inserts nodes just after node, while replacing strings in nodes with equivalent Text nodes.

    Throws a "HierarchyRequestError" DOMException if the constraints of the node tree are violated.

    MDN Reference

    Parameters

    • Rest...nodes: (string | Node )[]

    Returns void

appendChild

  • appendChild<T >(node): T

  • Type Parameters

    Parameters

    • node: T

    Returns T

before

  • before(...nodes): void

  • Inserts nodes just before node, while replacing strings in nodes with equivalent Text nodes.

    Throws a "HierarchyRequestError" DOMException if the constraints of the node tree are violated.

    MDN Reference

    Parameters

    • Rest...nodes: (string | Node )[]

    Returns void

cloneNode

  • cloneNode(deep?): Node

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

    MDN Reference

    Parameters

    • Optionaldeep: boolean

    Returns Node

compareDocumentPosition

  • compareDocumentPosition(other): number

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

    MDN Reference

    Parameters

    Returns number

contains

  • contains(other): boolean

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

    MDN Reference

    Parameters

    Returns boolean

dispatchEvent

  • dispatchEvent(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.

    MDN Reference

    Parameters

    • event: Event

    Returns boolean

getRootNode

hasChildNodes

  • hasChildNodes(): boolean

  • Returns whether node has children.

    MDN Reference

    Returns boolean

insertBefore

  • insertBefore<T >(node, child): T

  • Type Parameters

    Parameters

    • node: T
    • child: null | Node

    Returns T

isDefaultNamespace

  • isDefaultNamespace(namespace): boolean

  • Parameters

    • namespace: null | string

    Returns boolean

isEqualNode

  • isEqualNode(otherNode): boolean

  • Returns whether node and otherNode have the same properties.

    MDN Reference

    Parameters

    • otherNode: null | Node

    Returns boolean

isSameNode

  • isSameNode(otherNode): boolean

  • Parameters

    • otherNode: null | Node

    Returns boolean

lookupNamespaceURI

  • lookupNamespaceURI(prefix): null | string

  • Parameters

    • prefix: null | string

    Returns null | string

lookupPrefix

  • lookupPrefix(namespace): null | string

  • Parameters

    • namespace: null | string

    Returns null | string

normalize

  • normalize(): void

  • Removes empty exclusive Text nodes and concatenates the data of remaining contiguous exclusive Text nodes into the first of their nodes.

    MDN Reference

    Returns void

remove

  • remove(): void

  • Removes node.

    MDN Reference

    Returns void

removeChild

  • removeChild<T >(child): T

  • Type Parameters

    Parameters

    • child: T

    Returns T

removeEventListener

replaceChild

  • replaceChild<T >(node, child): T

  • Type Parameters

    Parameters

    Returns T

replaceWith

  • replaceWith(...nodes): void

  • Replaces node with nodes, while replacing strings in nodes with equivalent Text nodes.

    Throws a "HierarchyRequestError" DOMException if the constraints of the node tree are violated.

    MDN Reference

    Parameters

    • Rest...nodes: (string | Node )[]

    Returns void

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