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javascript ʵÏÖÊý¾Ý±í¸ñÏÔʾµÄÕ¹¿ªÓëÕÛµþ

<script   language="javascript">  
  function   ShowTableRow(id)
 
  { 
  var _Row = document.getElementById(id)   <!-- »ñÈ¡IDΪTableRowID µÄ¶ÔÏó -->
  var _Img = document.getElementById("Img"+id)
 
  <!--alert(_Img)-->
 
  if(_Row.style.display=="none")  
     {
       _Row.style.display="";  
       _Img.src="arrowUP.gif";
     }
  else  
     {
       _Row.style.display="none";  
       _Img.src="arrowDOWN.gif";
     }
  }  
 
  </script>  
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asp/jsp Ò³Ãæ: ÉèÖöÔÏóµÄ ID
.......................
       & ......

50¸öʵÓõÄJavaScript¹¤¾ß JavaEye¼¼ÊõÍøÕ¾

50¸öʵÓõÄJavaScript¹¤¾ß- - JavaEye¼¼ÊõÍøÕ¾
JavaScriptÊÇÒ»¸ö¹¦ÄÜÇ¿´óµÄ¿Í»§¶Ë½Å±¾ÓïÑÔ£¬Ðí¶àÏÖ´ú»¯µÄÍøÕ¾ºÍWebÓ¦ÓóÌÐò¶¼»áʹÓõ½Ëü¡£JavaScript¿ÉÒÔÔöÇ¿Óû§µÄÌåÑ飬²¢Ìṩ·á¸»µÄ»¥¶¯Ê½×é¼þºÍ¹¦ÄÜ¡£ËäÈ»ËüµÄÓï·¨Ï൱¼òµ¥£¬µ«ÊǶԿª·¢ÕßÀ´Ëµ»¹ÊǺÜÓÐÄѶȵģ¬ÒòΪËüÒªÔËÐÐÔÚWebä¯ÀÀÆ÷ÖС£
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¡¡¡¡jQuery UI
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¡¡¡¡Google Web Toolkit
¡¡¡¡Google ÍÆ³öµÄÒ»¸ö¿ª·¢Ajax Ó¦ÓõĿò¼Ü£¬ËüÖ§³ÖÓÃJava ¿ª·¢ºÍµ÷ÊÔAjax Ó¦Óá£ÎÒÃÇ¿ÉÒԼȳä·ÖÀûÓÃJavaÓïÑԵĿª·¢ÓÅÊÆ½µµÍAjaxÓ¦Óÿª·¢µÄÄѶȣ¬¼Ó¿ìAjaxÓ¦ÓõĿª·¢ËÙ¶È£¬ÎªAjaxµÄ´ó¹æÄ£Ó¦Óô´Ôì¿ÉÄÜ£¬ÓÖ¿ÉÒÔ³ä·Ö ·¢»ÓAjax¼¼ÊõµÄÓÅÊÆ£¬´´½¨¸ü¼Ó¶¯Ì¬ºÍ½»»¥ÐÔ¸üºÃµÄWebÓ¦ÓóÌÐò£¬ÌáÉýÓû§µÄä¯ÀÀÌåÑé¡£
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1.½ûÓÃ(»Ö¸´)href³¬¼¶Á´½Ó£®
2.javascriptÖе÷ÓÃvbs¶Ô»°¿òʵÏÖConfirm,¿ÉÒÔÏÔʾYes,No,»¹Óи÷ÖÖͼ±ê£¬½öIEÏÂÓÐЧ£®
3.ÏÞÖÆÉÏ´«ÎļþÀàÐÍΪjpg.
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demo.htmlÈçÏ£º
<html>
 <header>
   <title>Demo for Javascript</title>
  <script>
  
  //½ûÓ󬼶Á¬½Ó
  function EnabledLink(flag)
  {
   var btlink=document.getElementById('linkconfirm');
   if(btlink!=null)
   {
        btlink.disabled = !flag;
        btlink.onclick = function() { return flag; };
        btlink.style.cursor = flag ? "hand" : "text";
        btlink.style.textDecoration = flag ? "" : "none";
   & ......

³£ÓÃHTMLÒªÇó JavaScript½Å±¾

ÌØÊâJavaScript½Å±¾£º
1.½ûÓÃ(»Ö¸´)href³¬¼¶Á´½Ó£®
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3.ÏÞÖÆÉÏ´«ÎļþÀàÐÍΪjpg.
4.ÏÞÖÆÀ뿪µ±Ç°Ò³Ã棬ÔÚÀ뿪ʱÌáʾ£®½öÏÞÖÆ´°¿Ú¹Ø±Õ»òͨ¹ýij¸öhref³¬¼¶Á´½ÓÀ뿪£®(Ò³ÃæË¢Ðº͵ØÖ·À¸¸Ä±äʱ²»Ìáʾ£©
demo.htmlÈçÏ£º
<html>
 <header>
   <title>Demo for Javascript</title>
  <script>
  
  //½ûÓ󬼶Á¬½Ó
  function EnabledLink(flag)
  {
   var btlink=document.getElementById('linkconfirm');
   if(btlink!=null)
   {
        btlink.disabled = !flag;
        btlink.onclick = function() { return flag; };
        btlink.style.cursor = flag ? "hand" : "text";
        btlink.style.textDecoration = flag ? "" : "none";
   & ......

javascript ¶¯Ì¬´´½¨±í¸ñ£ºÐÂÔö¡¢É¾³ýÐк͵¥Ôª¸ñ


ÀûÓÃjsÀ´¶¯Ì¬´´½¨±í¸ñÓÐÁ½ÖÖ¸ñʽ£¬appendChild()ºÍinsertRow¡¢insertCell()¡£Á½ÖÖ·½Ê½Æäʵ²î²»¶à£¬µ«µÚÒ»ÖÖÓпÉÄÜÔÚIEÉÏÓÐÎÊÌ⣬ËùÒÔÍÆ¼ö´ó¼ÒʹÓõڶþÖÖÁË£¬Ö±½Ó˵°É¡£
1¡¢inserRow()ºÍinsertCell()º¯Êý
insertRow()º¯Êý¿ÉÒÔ´ø²ÎÊý£¬ÐÎʽÈçÏ£º
insertRow(index)£ºindex´Ó0¿ªÊ¼
Õâ¸öº¯Êý½«ÐÂÐÐÌí¼Óµ½indexµÄÄÇÒ»ÐÐǰ£¬±ÈÈçinsertRow(0),Êǽ«ÐÂÐÐÌí¼Óµ½µÚÒ»ÐÐ֮ǰ¡£Ä¬ÈϵÄinsertRow()º¯ÊýÏ൱ÓÚinsertRow(-1)£¬½«ÐÂÐÐÌí¼Óµ½±íµÄ×îºó¡£Ò»°ãÎÒÃÇÔÚʹÓõÄʱºò¶¼ÊÇ£ºobjTable.insertRow(objTable.rows.length).¾ÍÊÇΪ±í¸ñobjTableÔÚ×îºóÐÂÔöÒ»ÐС£
insertCell()ºÍinsertRowµÄÓ÷¨Ïàͬ£¬ÕâÀï¾Í²»ÔÙ˵ÁË¡£
2¡¢deleteRow()ºÍdeleteCell()·½·¨
deleteRow()º¯Êý¿ÉÒÔ´ø²ÎÊý£¬ÐÎʽÈçÏ£ºdeleteRow(index)£ºindex´Ó0¿ªÊ¼
ºÍÉÏÃæÁ½¸ö·½·¨²î²»¶àµÄÒâ˼£¬¾ÍÊÇɾ³ýÖ¸¶¨Î»ÖõÄÐк͵¥Ôª¸ñ¡£Òª´«ÈëµÄ²ÎÊý£ºIndexÊÇÐÐÔÚ±í¸ñÖеÄλÖ㬿ÉÒÔÏÂÃæµÄ·½·¨È¡µÃÈ»ºóȥɾ³ý£º
var row=document.getElementById("ÐеÄId");
var index=row.rowIndex;//ÓÐÕâ¸öÊôÐÔ£¬ºÙºÙ
objTable.deleteRow(index);
ÔÚʹÓùý³ÌÖÐÎÒÅöµ½µÄÒ»¸öÎÊÌâ¸ú´ó¼Ò˵һÏ£¬¾ÍÊÇɾ³ý±í¸ñµÄÐеÄʱºò£¬Èç¹ûÄãɾ³ýÁ ......

È«ÃæÀí½âjavascriptµÄcaller,callee,call,apply¸ÅÄî

Arguments
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[function.]arguments[n]
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function £ºÑ¡Ïî¡£µ±Ç°ÕýÔÚÖ´ÐÐµÄ Function ¶ÔÏóµÄÃû×Ö¡£
n £ºÑ¡Ïî¡£Òª´«µÝ¸ø Function ¶ÔÏóµÄ´Ó0¿ªÊ¼µÄ²ÎÊýÖµË÷Òý¡£
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ArgumentsÊǽøÐк¯Êýµ÷ÓÃʱ£¬³ýÁËÖ¸¶¨µÄ²ÎÊýÍ⣬»¹ÁíÍâ´´½¨µÄÒ»¸öÒþ²Ø¶ÔÏó¡£ArgumentsÊÇÒ»¸öÀàËÆÊý×鵫²»ÊÇÊý×éµÄ¶ÔÏó£¬ËµËüÀàËÆÊý×éÊÇÒòΪÆä¾ßÓÐÊý×éÒ»ÑùµÄ·ÃÎÊÐÔÖʼ°·½Ê½£¬¿ÉÒÔÓÉarguments[n]À´·ÃÎʶÔÓ¦µÄµ¥¸ö²ÎÊýµÄÖµ£¬²¢ÓµÓÐÊý×鳤¶ÈÊôÐÔlength¡£»¹ÓоÍÊÇarguments¶ÔÏó´æ´¢µÄÊÇʵ¼Ê´«µÝ¸øº¯ÊýµÄ²ÎÊý£¬¶ø²»¾ÖÏÞÓÚº¯ÊýÉùÃ÷Ëù¶¨ÒåµÄ²ÎÊýÁÐ±í£¬¶øÇÒ²»ÄÜÏÔʽ´´½¨ arguments ¶ÔÏó¡£arguments ¶ÔÏóÖ»Óк¯Êý¿ªÊ¼Ê±²Å¿ÉÓá£Ï±ßÀý×ÓÏêϸ˵Ã÷ÁËÕâЩÐÔÖÊ:
callee
//arguments ¶ÔÏóµÄÓ÷¨¡£
function ArgTest(a, b){
   var i, s = "The ArgTest function expected ";
   var numargs = arguments.length;     // »ñÈ¡±»´«µÝ²ÎÊýµÄÊýÖµ¡£
   var expargs = ArgTest.length; & ......

JavascriptÖÐShowModalDialog¹¦ÄÜ

ShowModalDialogº¯ÊýµÄ¹¦ÄÜ£º
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vReturnValue = window.showModalDialog(sURL [, vArguments] [, sFeatures])
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sURL
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vArguments
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sFeatures
¿ÉÑ¡²ÎÊý£¬ÀàÐÍ£º×Ö·û´®¡£ÓÃÀ´ÃèÊö¶Ô»°¿òµÄÍâ¹ÛµÈÐÅÏ¢£¬¿ÉÒÔʹÓÃÒÔϵÄÒ»¸ö»ò¼¸¸ö£¬Ó÷ֺœ;”¸ô¿ª¡£
        dialogHeight ¶Ô»°¿ò¸ß¶È£¬²»Ð¡ÓÚ£±£°£°px£¬£É£Å£´ÖÐdialogHeight ºÍ dialogWidth ĬÈϵĵ¥Î»ÊÇem£¬¶ø£É£Å£µÖÐÊÇpx£¬Îª·½±ãÆä¼û£¬ÔÚ¶¨Òåmodal·½Ê½µÄ¶Ô»°¿òʱ£¬ÓÃpx×öµ¥Î»¡£
¡¡¡¡ dialogWidth: ¶Ô»°¿ò¿í¶È¡£
¡¡¡¡ dialogLeft: ¾àÀë×ÀÃæ×óµÄ¾àÀë¡£
¡¡¡¡ dialogTop: Àë×ÀÃæÉϵľàÀë¡£
¡¡¡¡ center: {yes | no | 1 | 0 }£º´°¿ÚÊÇ·ñ¾ÓÖУ¬Ä¬ÈÏyes£¬µ«ÈÔ¿ÉÒÔÖ¸¶¨¸ß¶ÈºÍ¿í¶È¡£
¡¡¡¡ help: {yes | no | 1 | 0 ......
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