Ò׽ؽØͼÈí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

javascript²Ù×÷dom ½¨Á¢ Ôö¼Ó ɾ³ý ¿Ë¡ ·ÃÎʽڵã

Ò»¡¢DOM»ù´¡
1.½Úµã(node)²ã´Î
Document£­£­×²ãµÄ½Úµã£¬ËùÓеÄÆäËû½Úµã¶¼ÊǸ½ÊôÓÚËüµÄ¡£
DocumentType£­£­DTDÒýÓã¨Ê¹ÓÃ<!DOCTYPE>Óï·¨£©µÄ¶ÔÏó±íÏÖÐÎʽ£¬Ëü²»ÄÜ°üº¬×ӽڵ㡣
DocumentFragment£­£­¿ÉÒÔÏñDocumentÒ»ÑùÀ´±£´æÆäËû½Úµã¡£
Element£­£­±íʾÆðʼ±êÇ©ºÍ½áÊø±êÇ©Ö®¼äµÄÄÚÈÝ£¬ÀýÈç<tag></tab>»òÕß<tag/>¡£ÕâÊÇΨһ¿ÉÒÔͬʱ°üº¬ÌØÐÔºÍ×Ó½ÚµãµÄ½ÚµãÀàÐÍ¡£
Attr£­£­´ú±íÒ»¶ÔÌØÐÔÃûºÍÌØÐÔÖµ¡£Õâ¸ö½ÚµãÀàÐͲ»ÄÜ°üº¬×ӽڵ㡣
Text£­£­´ú±íXMLÎĵµÖеÄÔÚÆðʼ±êÇ©ºÍ½áÊø±êÇ©Ö®¼ä£¬»òÕßCDataSectionÄÚ°üº¬µÄÆÕͨÎı¾¡£Õâ¸ö½ÚµãÀàÐͲ»ÄÜ°üº¬×ӽڵ㡣
CDataSection£­£­<![CDATA[]]>µÄ¶ÔÏó±íÏÖÐÎʽ¡£Õâ¸ö½ÚµãÀàÐͽöÄÜ°üº¬Îı¾½ÚµãText×÷Ϊ×ӽڵ㡣
Entity£­£­±íʾÔÚDTDÖеÄÒ»¸öʵÌ嶨Ò壬ÀýÈç<!ENTITY foo"foo">¡£Õâ¸ö½ÚµãÀàÐͲ»ÄÜ°üº¬×ӽڵ㡣
EntityReference£­£­´ú±íÒ»¸öʵÌåÒýÓã¬ÀýÈç"¡£Õâ¸ö½ÚµãÀàÐͲ»ÄÜ°üº¬×ӽڵ㡣
ProcessingInstruction£­£­´ú±íÒ»¸öPI¡£Õâ¸ö½ÚµãÀàÐͲ»ÄÜ°üº¬×ӽڵ㡣
Comment£­£­´ú±íXML×¢ÊÍ¡£Õâ¸ö½Úµã²»ÄÜ°üº¬×ӽڵ㡣
Notation£­£­´ú±íÔÚDTDÖж¨ÒåµÄ¼ÇºÅ¡£Õâ¸öºÜÉÙÓõ½¡£
Node½Ó¿Ú¶¨ÒåÁËËùÓнڵãÀàÐͶ¼°üº¬µÄÌØÐԺͷ½·¨¡£
ÌØÐÔ/·½·¨ ÀàÐÍ/·µ»ØÀàÐÍ ËµÃ÷
nodeName String ½ÚµãµÄÃû×Ö;¸ù¾Ý½ÚµãµÄÀàÐͶø¶¨Òå
nodeValue String ½ÚµãµÄÖµ;¸ù¾Ý½ÚµãµÄÀàÐͶø¶¨Òå
nodeType Number ½ÚµãµÄÀàÐͳ£Á¿ÖµÖ®Ò»
ownerDocument Document Ö¸ÏòÕâ¸ö½ÚµãËùÊôµÄÎĵµ
firstChild Node Ö¸ÏòÔÚchildNodesÁбíÖеĵÚÒ»¸ö½Úµã
lastChild Node Ö¸ÏòÔÚchildNodesÁбíÖеÄ×îºóÒ»¸ö½Úµã
childNodes NodeList ËùÓÐ×Ó½ÚµãµÄÁбí
previousSibling Node Ö¸ÏòÇ°Ò»¸öÐֵܽڵã;Èç¹ûÕâ¸ö½Úµã¾ÍÊǵÚÒ»¸öÐֵܽڵ㣬ÄÇô¸ÃֵΪnull
nextSibling Node Ö¸ÏòºóÒ»¸öÐֵܽڵã;Èç¹ûÕâ¸ö½Úµã¾ÍÊÇ×îºóÒ»¸öÐֵܽڵ㣬ÄÇô¸ÃֵΪnull
hasChildNodes() Boolean µ±childNodes°üº¬Ò»¸ö»ò¶à¸ö½Úµãʱ,·µ»ØÕæ
attributes NamedNodeMap °üº¬ÁË´ú±íÒ»¸öÔªËصÄÌØÐÔµÄAttr¶ÔÏó;½öÓÃÓÚElement½Úµã
appendChild(node) Node ½«nodeÌí¼Óµ½childNodesµÄĩβ
removeChild(node) Node ´ÓchildNodesÖÐɾ³ýnode
replaceChild(newnode,oldnode) Node ½«childNodesÖеÄoldnodeÌæ»»³Énewnode
insertBefore(newnode,refnode) Node ÔÚchildNodesÖеÄrefnode֮ǰ²åÈënewnodd
³ý½ÚµãÍ⣬DOM»¹¶¨ÒåÁËһЩÖúÊÖ¶ÔÏó£¬ËüÃ


Ïà¹ØÎĵµ£º

Javascript Óï·¨½²½â

1.delete ÔËËã·û
¶ÔÏóɾ³ýÒ»¸öÊôÐÔ£¬»òÊý×éÖÐɾ³ýÒ»¸öÔªËØ¡£½«ÎÞÓõÄÄÚÈÝɾ³ýÒÔ½ÚÊ¡¿Õ¼ä¡£
delete expression
example:
  var person = new Object();
  person.sex = "male";
  alert(person.sex);
  delete person.sex;
  alert(person.sex);
2. ‘,' ÔËËã·û
  var a = 2; ......

JavaScriptÄܽ«Ò³ÃæÖеÄͼƬµ¼³öµ½excel


Javascript´úÂë
<script>    
var idTmr = "";    
function copy(tabid){    
var oControlRange = document.body.createControlRange();    
oControlRange.add(tabid,0);    
oControlR ......

JavaScript¶¯Ì¬Ìí¼ÓDOMÔªËØ×ܽá

ÕâÁ½Ì쿪ʼд¹Å´úµØͼµÄGISÍøÕ¾£¬Ëµ°×Á˾ÍÊÇÓùŴúµØͼµÄÄÚÈÝЧ·ÂɽկһϹȸèµØͼ¡£
JSÕⶫÎ÷ºÜ¾ÃûдÁË£¬ÓÐЩ¸ÅÄîÒ²ºÜÄ£ºý£¬µ¼ÖÂÍê³É·Ö¿éÍ϶¯¼ÓÔصŦÄܾͻ¨Á˺öàʱ¼ä¡£
Ö÷ÒªÎÊÌâÊdzöÔÚÍ϶¯Ê±¶ÔÔªËØÄÚÈݵĶ¯Ì¬ÐÞ¸ÄÉÏ£¬×ܽáÏ¡£
ͨ¹ýJS½Å±¾¶¯Ì¬ÐÞ¸ÄDOMÔªËØÄÚÈÝͨ³£ÓÐÁ½ÖÖ·½·¨£º
1. ͨ¹ýDOM±ê×¼½Ó¿Ú´´½¨ÔªËØ
var new ......

JavascriptÖÐ×î³£ÓõÄ61¸ö¾­µä¼¼ÇÉ

 1. oncontextmenu="window.event.returnValue=false" ½«³¹µ×ÆÁ±ÎÊó±êÓÒ¼ü
<table border oncontextmenu=return(false)><td>no</table> ¿ÉÓÃÓÚTable
2. <body onselectstart="return false"> È¡ÏûÑ¡È¡¡¢·ÀÖ¹¸´ÖÆ
3. onpaste="return false" ²»×¼Õ³Ìù
4. oncopy="return false;" oncut= ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØͼ | ¸ÓICP±¸09004571ºÅ