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javascript: The Document Object Model(DOM)

DOM
½ÚµãÀàÐ͵Ä12¸ö³£Á¿:
Node.ELEMENT_NODE
Node.ATTRIBUTE_NODE
Node.TEXT_NODE
Node.CDATA_SECTION_NODE
Node.ENTITY_REFERENCE_NODE
Node.ENTITY_NODE
Node.PROCESSING_INSTRUCTION_NODE
Node.COMMENT_NODE
Node.DOCUMENT_NODE
Node.DOCUMENT_TYPE_NODE
Node.DOCUMENT_FRAGMENT_NODE
Node.NOTATION_NODE
Node
µÄ·½·¨/ÌØÕ÷:nodeName, nodeValue, nodeType, ownerDocument, firstChild,
lastChild, childNodes, previousSibling, nextSibling, hasChildNodes(),
attributes, appendChild(node), removeChild(node), replaceChild(newnode,
node), insertBefore(newnode, node).
HTMLElement,
ÈçHTMLDivElement´ú±íÁË<div>
document.documentElement=<html>,
document.body = <body>
elementµÄattributesÆäʵÊÇNamedNodeMap,
¿ÉÒÔÓÃÏÂÁз½·¨²Ù×÷: getNamedItem(name), removeNamedItem(name),
setNamedItem(node), item(pos).[ÕâЩ·½·¨¶¼ÊÇ·µ»ØÒ»¸öAttr½Úµã]. shortcuts:
getAttribute(name)
= attributes.getNamedItem(name).value.
setAttribute(name,
newvalue) = attribute.getNamedItem(name).value
removeAttribute(name)
= attribute.removeNamedItem(name).
·ÃÎÊÖ¸¶¨½Úµã:
getElementsByTagName()
getElementsByName()[ie
6ºÍOpera 7.5ÔÚÕâ¸ö·½·¨µÄʵÏÖÉÏÓÐЩ´íÎó: 1. »¹»á·µ»ØidµÈÓÚ¸ø¶¨Ãû³ÆµÄÔªËØ.2.
ËûÃǽö½ö¼ì²é<input/>ºÍ<img/>ÔªËØ]
getElementById()[ie6ÓÐÀàËÆbug,
id, name²»·Ö]
´´½¨ºÍ²Ù×÷½Úµã
createElement(),
createTextNode(), appendChild()
ËùÓÐdom²Ù×÷±ØÐëÔÚÒ³ÃæÍêÈ«ÏÂÔØÍêÖ®ºó²ÅÄܽøÐÐ,ÒòÎªÒ³ÃæÕýÔÚÔØÈë
ʱ,domÊ÷»¹Ã»ÓÐÍêÈ«¹¹½¨.ËùÒÔ±ØÐëʹÓÃonloadʼþ.
removeChild(), replaceChild(),
insertBefore()
createDocumentFragment().±ÜÃâ¶à´ÎË¢ÐÂdocument.
HTML DOMÌØÕ÷
 element.getAttribute("src")
== element.src, element.getAttribute("border") == element.border.
ÀýÍâÊÇclass, ÒòΪclassÔÚECMAScriptÖÐÊÇÒ»¸ö±£Áô×Ö,ËùÒÔelement.getAttribute("class") ==
element.className.
tableÔªËØµÄ¶îÍâÊôÐÔ.
<table>:
caption, tBodies, tFoot, tHead, rows, createTHead(), createTFoot(),
createCaption(), deleteTHead/TFoot/Caption(), deleteRow(position),
i


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