DOM
Node
- appendChild(newChild)
- cloneNode(deep)
- childNodes
- nodeValue
- nodeName
- nodeType
- parentNode
- textContent
- insertAfter(newChild, refChild)
- removeChild(oldChild)
- replaceChild(newChild, oldChild)
Document extends Node
- 전역 객체 document
- createElement
- createTextNode
- getElementById(id)
- getElementsByTagName(tagName)
Element extends Node
- getAttribute(attr), setAttribute(attr) = element.attr
nodeName => tagName
nodeValue => null
Text extends Node
nodeName => null
nodeValue => text
DOMRange