Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

JavaScript×Ö·û´®ÖеÄ×Ö·ûÊý×é

Ô´³ÌÐò£º 
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html>
 <head>
  <meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
  <title>JavaScript×Ö·û´®ÖеÄ×Ö·ûÊý×é</title>  
 </head>
 <body>
  <script type="text/javascript">
  var str = "www.dreamdu.com";
  document.write(str+"µÄµÚÎå¸ö×ÖĸÊÇ"+str);
  document.write("<br />");
  document.write(str+" = "+str[0]+str[1]+str[2]+str[3]+str[4]+str[5]+str[6]+str[7]+str[8]+str[9]+str[10]+str[11]+str[12]+str[13]+str[14]);
  </script>
 </body>
</html>
 
Êä³ö½á¹û£º
www.dreamdu.comµÄµÚÎå¸ö×ÖĸÊÇundefined
www.dreamdu.com = undefinedundefinedundefinedundefinedundefinedundefinedundefinedundefinedundefinedundefinedundefinedundefinedundefinedundefinedundefined
×¢Ò⣺
1¡¢JavaScript×Ö·û´®ÖеÄÿ¸öÖµ¿ÉÒÔʹÓÃ×Ö·ûÊý×éµÄ·½Ê½·ÃÎÊ£¬×¢Òâ×Ö·û´®Êý×éµÄË÷ÒýÊÇ´Ó0¿ªÊ¼µÄ¡£¿ÉÒÔʹÓÃcharAt()º¯Êý´úÌæÊý×éË÷Òý·½Ê½¡£(IE²»Ö§³Ö×Ö·ûÊý×飬ÇëʹÓÃcharAtº¯Êý)


Ïà¹ØÎĵµ£º

Google ÅÅÃûÖÐµÄ 10 ¸ö×îÖøÃûµÄ JavaScript ¿â

   Google ÅÅÃûÖÐµÄ 10 ¸ö×îÖøÃûµÄ JavaScript ¿â ÊÕ²Ø
JavaScript ÊÇ Web ¿ª·¢ÓëÉè¼ÆÖв»¿É»òȱµÄ¶«Î÷£¬²»¹ÜÊÇÒ»¸ö¼òµ¥µÄÍøÒ³»¹ÊÇÒ»¸öרҵµÄÕ¾µã£¬Ò²²»¹ÜÄãÊǸßÊÖ»¹ÊDzËÄñ£¬Èç½ñ JavaScript ¿âÔ½À´Ô½Ç¿´ó£¬¿ÉÒÔʤÈÎÐí¶à¸´ÔӵŤ×÷£¬È»¶øÍ¬Ê±£¬ÈËÃÇÔÚÖÚ¶à JavaScript ¿âÃæÇ°ÓÖ¾õµÃÎÞËùÊÊ´Ó£¬±¾ÎÄ£¬ÎÒÃǽ«Ê¹Óà G ......

JavascriptÖÐURL±àÂë·½·¨µÄ±È½Ï

URL±àÂë·½·¨µÄ±È½Ï javascriptÖдæÔÚ¼¸ÖÖ¶Ô Technorati ±êÇ©: JavaScript,url,±àÂë URL×Ö·û´®½øÐбàÂëµÄ·½·¨£ºescape()£¬encodeURI()£¬ÒÔ¼°encodeURIComponent()¡£Õ⼸ÖÖ±àÂëËùÆðµÄ×÷Óø÷²»Ïàͬ¡£ escape() ·½·¨£º ²ÉÓÃISO Latin×Ö·û¼¯¶ÔÖ¸¶¨µÄ×Ö·û´®½øÐбàÂë¡£ËùÓеĿոñ·û¡¢±êµã·ûºÅ¡¢ÌØÊâ×Ö·ûÒÔ¼°ÆäËû·ÇASCII×Ö· ......

JavaScriptÖÐʹÓÃÔ­ÐÍÀ´´´½¨¶ÔÏó

ÔÚ±àд¹¹Ô캯Êýʱ£¬¿ÉÒÔʹÓÃÔ­ÐͶÔÏó£¨Ëü±¾ÉíÊÇËùÓй¹Ô캯ÊýµÄÒ»¸öÊôÐÔ£©µÄÊôÐÔÀ´´´½¨¼Ì³ÐÊôÐԺ͹²Ïí·½·¨¡£Ô­ÐÍÊôÐԺͷ½·¨½«°´ÒýÓø´ÖƸøÀàÖеÄÿ¸ö¶ÔÏó£¬Òò´ËËüÃǶ¼¾ßÓÐÏàͬµÄÖµ¡£¿ÉÒÔÔÚÒ»¸ö¶ÔÏóÖиü¸ÄÔ­ÐÍÊôÐÔµÄÖµ£¬ÐµÄÖµ½«¸²¸ÇĬÈÏÖµ£¬µ«½öÔÚ¸ÃʵÀýÖÐÓÐЧ¡£ÊôÓÚÕâ¸öÀàµÄÆäËû¶ÔÏó²»Êܴ˸ü¸ÄµÄÓ°Ïì¡£ÏÂÃæ¸ø³öÁËʹÓÃ×Ô¶¨Òå ......

javascript½âÎöXML

 Ê×ÏÈ´´½¨½âÎö¶ÔÏó£º
try
{
xmldoc=new ActiveXObject("Microsoft.XMLDOM");//IE
}catch(e)
{
try{
xmldoc=document.implementation.createDocument("","",null);//·ÇIE
}catch(e)
{
alert("ÎÞ·¨´´½¨¶ÔÏó£¡");
return;
}
}
xmldoc.async="false";
xmldoc.load(" ......

JavascriptÖÐ×î³£ÓõÄ55¸ö¾­µä¼¼ÇÉ(ת)

 
¶¼×ªÀÃÁË£¬²»¹ý»¹ÊÇÌùÉÏÀ´ÁË¡£²éµÄʱºò·½±ã¡£¡£¡£
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¡Ïûѡȡ¡¢·ÀÖ¹¸´Ö ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ