WebAPI 정리

getElementById(elementID)
return Am Element Object

getElementsByTagName(tagname)
return A NodeList object

getElementsByClassName(className)
return A NodeList object

document.querySelector(CSS selectors)
return A Node object

document.querySelectorAll(CSS selectors)
return A NodeList object

node.parentNode
return A Node object

node.parentElement
return An Element object

node.childNodes
return A nodeList object

element.chilren
return a live HTMLCollection object

node.firstChild
reruen A Node object

node.firstChild
return A node object

node.lastChild
return A Node object

node.lastElementChild
return A Node object

node.previousSibling
return A Node object

node.previousElementSibling
return A Node object

node.nextSibling
Return Value : A Node object

nextElementSibling
return a Node object

element.tagName
return A String

element.id
return A String

element.className
return A String

element.getAttribute(attributeName)
return A String

element.setAttribute(attributeName,attributeValue)
return no return value

element.removeAttribute(attributeName)
return no return value

element.hasAttribute(attributeName)
return A Boolean

document.createElement(nodeName)
return An Element Object

node.appendChild(node)
return A Node Object

node.insertBefore(newNode, existingNode)
return A Node object

node.removeChild(node)
return A Node object

node.cloneNode(deep)
return A Node object

node.hacChildNodes()
return A boolean

element.classList
return A DOMTokenList

element.classList.add(class1, class2, ...)
return No return value

element.classList.remove(class1, class2, ...)
return No return value

element.classList.contains(class)
return A boolean

element.classList.toggle(class, true|false)
return A boolean