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Node.nodeType

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읽기 전용 프로퍼티인 Node.nodeType은 노드의 타입을 나타냅니다.

Description

nodeType 프로퍼티는 elements, textcomments 처럼 서로 다른 종류의 노드를 구별하는데 사용할 수 있습니다. 

Syntax

var type = node.nodeType;

노드의 타입을 정의한 integer 값을 Return합니다. Node type constants. 이 곳에 값들이 정의되어 있습니다.

Constants

Node type constants

Constant Value Description
Node.ELEMENT_NODE 1 An Element node such as <p> or <div>.
Node.TEXT_NODE 3 The actual Text of Element or Attr.
Node.PROCESSING_INSTRUCTION_NODE 7 A ProcessingInstruction of an XML document such as <?xml-stylesheet ... ?> declaration.
Node.COMMENT_NODE 8 A Comment node.
Node.DOCUMENT_NODE 9 A Document node.
Node.DOCUMENT_TYPE_NODE 10 A DocumentType node e.g. <!DOCTYPE html> for HTML5 documents.
Node.DOCUMENT_FRAGMENT_NODE 11 A DocumentFragment node.

Deprecated node type constants

The following constants have been deprecated and should not be used anymore.

Constant Value Description
Node.ATTRIBUTE_NODE 2 An Attribute of an Element. The element attributes are no longer implementing the Node interface in DOM4 specification.
Node.CDATA_SECTION_NODE 4 A CDATASection. Removed in DOM4 specification.
Node.ENTITY_REFERENCE_NODE 5 An XML Entity Reference node. Removed in DOM4 specification.
Node.ENTITY_NODE 6 An XML <!ENTITY ...> node. Removed in DOM4 specification.
Node.NOTATION_NODE 12 An XML <!NOTATION ...> node. Removed in DOM4 specification.

Examples

Different types of nodes

document.nodeType === Node.DOCUMENT_NODE; // true
document.doctype.nodeType === Node.DOCUMENT_TYPE_NODE; // true

var fragment = document.createDocumentFragment();
fragment.nodeType === Node.DOCUMENT_FRAGMENT_NODE; // true

var p = document.createElement("p");
p.textContent = "Once upon a time...";

p.nodeType === Node.ELEMENT_NODE; // true
p.firstChild.nodeType === Node.TEXT_NODE; // true

Comments

This example checks if the first node inside the document element is a comment node, and if it is not, displays a message.

var node = document.documentElement.firstChild;
if (node.nodeType != Node.COMMENT_NODE)
  console.log("You should comment your code well!");

Specifications

Specification Status Comment
DOM
The definition of 'Node.nodeType' in that specification.
Living Standard Deprecated ATTRIBUTE_NODE, CDATA_SECTION_NODE, ENTITY_REFERENCE_NODE and NOTATION_NODE types.
Document Object Model (DOM) Level 3 Core Specification
The definition of 'Node.nodeType' in that specification.
Recommendation No changes.
Document Object Model (DOM) Level 2 Core Specification
The definition of 'Node.nodeType' in that specification.
Recommendation No changes.
Document Object Model (DOM) Level 1 Specification
The definition of 'Node.nodeType' in that specification.
Recommendation Initial definition.

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