[펌글] 자바스크립트 nodeType 에 대하여

Summary

Returns an integer code representing the type of the node.

Syntax

var type = node.nodeType;

type is an unsigned short with one of the following values:

• Node.ELEMENT_NODE == 1
• Node.ATTRIBUTE_NODE == 2
• Node.TEXT_NODE == 3
• Node.CDATA_SECTION_NODE == 4
• Node.ENTITY_REFERENCE_NODE == 5
• Node.ENTITY_NODE == 6
• Node.PROCESSING_INSTRUCTION_NODE == 7
• Node.COMMENT_NODE == 8
• Node.DOCUMENT_NODE == 9
• Node.DOCUMENT_TYPE_NODE == 10
• Node.DOCUMENT_FRAGMENT_NODE == 11
• Node.NOTATION_NODE == 12

Example

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)
  alert("You should comment your code well!");