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javascript ´òÓ¡Ô¤ÀÀµÄʵÏÖ

Òý×Ô£ºhttp://blog.csdn.net/lsj19830812/archive/2007/10/25/1843578.aspx
 a.jspÊÇÒª´òÓ¡µÄÒ³Ãæ
<html>
<head>
<script language="javascript">
function fmtPrint(printPlace,w,h){
var sarg=new Array();
var sdata=document.all.item(printPlace);
sarg[0]=sdata.outerHTML;
window.showModalDialog("print.jsp",sarg,"dialogWidth:"+w+"px;dialogHeight:"+h+"px;center:yes;help:no;status:no;resizable:yes");
return;
}
</script>
</head>
<body>
<div id="printPlace">
Ï£Íû´òÓ¡µÄÄÚÈÝдÔÚÀïÃæ
...........
...........
...........
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</div>
<img onClick="fmtPrint('printPlace', 800, 600);" name="Print" border="0" style="cursor:hand" src="images/dayin.gif">
</body>
</html>
print.jspÊÇ´òÓ¡Ô¤ÀÀÒ³Ãæ
<html>
<head>
<base target="_self">
<script language="javascript">
<!--
var dada = dialo ......

³£ÓÃJavascriptÓï¾ä

1.document.write( " "); Êä³öÓï¾ä
2.JSÖеÄ×¢ÊÍΪ//
3.´«Í³µÄHTMLÎĵµË³ÐòÊÇ:document- >html- >(head,body)
4.Ò»¸öä¯ÀÀÆ÷´°¿ÚÖеÄDOM˳ÐòÊÇ:window- >(navigator,screen,history,location,document)
5.µÃµ½±íµ¥ÖÐÔªËØµÄÃû³ÆºÍÖµ:document.getElementById( "±íµ¥ÖÐÔªËØµÄID號 ").name(»òvalue)
6.Ò»¸öСдת´óдµÄJS: document.getElementById( "output ").value = document.getElementById( "input").value.toUpperCase();
7.JSÖеÄÖµÀàÐÍ:String,Number,Boolean,Null,Object,Function
8.JSÖеÄ×Ö·ûÐÍת»»³ÉÊýÖµÐÍ:parseInt(),parseFloat()
9.JSÖеÄÊý×Öת»»³É×Ö·ûÐÍ:( " " ±äÁ¿)
10.JSÖеÄÈ¡×Ö·û´®³¤¶ÈÊÇ:(length)
11.JSÖеÄ×Ö·ûÓë×Ö·ûÏàÁ¬½ÓʹÓà 號.
12.JSÖеıȽϲÙ×÷·ûÓÐ:==µÈÓÚ,!=²»µÈÓÚ, >, >=, <. <=
13.JSÖÐÉùÃ÷±äÁ¿Ê¹ÓÃ:varÀ´½øÐÐÉùÃ÷
14.JSÖеÄÅж¨Óï¾ä½á¹¹:if(condition){}else{}
15.JSÖеÄÑ­»·½á¹¹:for([initial expression];[condition];[upadte expression]) {inside loop}
16.Ñ­»·ÖÐÖ¹µÄÃüÁîÊÇ:break
17.JSÖеĺ¯Êý¶¨Òå:function functionName([parameter],...){statement[s]}
18.µ±Îļ ......

JavaScriptÖбí¸ñµÄÓ¦ÓÃ

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>ÎÞ±êÌâÎĵµ</title>
<style type="text/css">
<!--
td { text-align:left;}
-->
</style>
<script language="javascript">
 function cleck()
 {
  //ÑéÖ¤*ÊÇ·ñΪ¿Õ
  if(frm.username.value=="")
  {
    alert("ÐÕÃû²»ÄÜΪ¿Õ£¡");
  }
  else
     alert("ÐÕÃû£º"+frm.username.value)
  if(frm.userage.value=="")
  {
    alert("ÄêÁä²»ÄÜΪ¿Õ£¡");
  }
else
   alert("ÄêÁ䣺"+frm.userage.value)
  if(frm.usercity.value=="")
  {
    alert("ÄúËùÔڵijÇÊв»ÄÜΪ¿Õ£¡");
  }
  else
   alert("ËùÔÚ³ÇÊУº"+frm.usercity.value)
&n ......

javascript replace µÄÕýÔò±í´ïʽ

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ËüÖ»Ìæ»»ÁËÊ××Öĸ¡£µ«Èç¹û¼ÓÉÏÕýÔò±í´ïʽ½á¹û¾Í²»Ò»ÑùÁË£¡replace()Ö§³ÖÕýÔò±í´ïʽ£¬Ëü¿ÉÒÔ°´ÕÕÕýÔò±í´ïʽµÄ¹æÔòÆ¥Åä×Ö·û»ò×Ö·û´®£¬È»ºó¸øÓèÌæ»»£¡ ×¢Ò⣺±»Ìæ»»µÄ²¿·Ö²»ÓüÓË«ÒýºÅ.
ÕâÑù»¹ÊÇÖ»Ìæ»»Á˵ÚÒ»¸ö×Öĸa¡£
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ÏÈ¿´¿´¼òµ¥Àý×Ó£º½«ËùÓе¥´ÊÊ××Öĸ»»³É´óд¡£
ÓÉÉÏ¿ÉÖª£¬µ±ÕýÔò±í´ïʽÓÐ"g"±ê־ʱ£¬´ú±í½«´¦ÀíÕû¸ö×Ö·û´®£¬¼´º¯ÊýchangeµÄ±ä»»½«Ó¦ÓÃÓÚËùÓÐÆ¥ÅäµÄ¶ÔÏó¡£¶ø¸Ãº¯ÊýÓÐÈý¸ö»ò¸ü¶à²ÎÊý£¬¾ßÌå¸öÊýÊÓÕýÔò±í´ïʽ¶ø¶¨¡£ ÓÐÁ˺¯ÊýÓëÕýÔò±í´ïʽµÄÅäºÏ£¬replace()´¦Àí×Ö·û´®µÄ¹¦ÄÜ¿Õǰǿ´óÆðÀ´ÁË£¡ ×îºó»¹¾Ù¸öÀý×Ó£¬½«×Ö·û´®ËùÓе¥´Êµ¹Ðò£¬ÓÃreplace()´¦ÀíÊÇÈç´Ë¼òµ¥¡£
ÕýÔò±í´ïʽʹÓÃÏê½â ¼ò½é ¼òµ¥µÄ˵£¬ÕýÔò±í´ïʽÊÇÒ»ÖÖ¿ÉÒÔÓÃÓÚģʽƥÅäºÍÌæ»»µÄÇ¿ÓÐÁ¦µÄ¹¤¾ß¡£Æä×÷ÓÃÈçÏ£º ²âÊÔ×Ö·û´®µÄij¸öģʽ¡£ÀýÈ磬¿ÉÒÔ¶ÔÒ»¸öÊäÈë×Ö·û´®½øÐвâÊÔ£¬¿´ÔÚ¸Ã×Ö·û´®ÊÇ·ñ´æÔÚÒ»¸öµç»°ºÅÂëģʽ»òÒ»¸öÐÅÓÿ¨ºÅÂëģʽ¡£Õâ³ÆÎªÊý¾ÝÓÐЧÐÔÑéÖ¤¡£ Ìæ»»Îı¾¡£¿ÉÒÔÔÚÎĵµÖÐʹÓÃÒ»¸öÕýÔò±í´ïʽÀ´±êÊ¶ÌØ¶¨ÎÄ×Ö£¬È»ºó¿ÉÒÔÈ«²¿½«Æäɾ³ý£¬»òÕßÌæ»»Îª±ðµÄÎÄ×Ö¡£ ¸ù¾ÝÄ£ ......

JavaScript ³£ÓõÄÕýÔò±í´ïʽ

"^\d+$"¡¡¡¡//·Ç¸ºÕûÊý£¨ÕýÕûÊý + 0£©
"^[0-9]*[1-9][0-9]*$"¡¡¡¡//ÕýÕûÊý
"^((-\d+)|(0+))$"¡¡¡¡//·ÇÕýÕûÊý£¨¸ºÕûÊý + 0£©
"^-[0-9]*[1-9][0-9]*$"¡¡¡¡//¸ºÕûÊý
"^-?\d+$"¡¡¡¡¡¡¡¡//ÕûÊý
"^\d+(\.\d+)?$"¡¡¡¡//·Ç¸º¸¡µãÊý£¨Õý¸¡µãÊý + 0£©
"^(([0-9]+\.[0-9]*[1-9][0-9]*)|([0-9]*[1-9][0-9]*\.[0-9]+)|([0-9]*[1-9][0-9]*))$"
¡¡¡¡//Õý¸¡µãÊý
"^((-\d+(\.\d+)?)|(0+(\.0+)?))$"¡¡¡¡//·ÇÕý¸¡µãÊý£¨¸º¸¡µãÊý + 0£©
"^(-(([0-9]+\.[0-9]*[1-9][0-9]*)|([0-9]*[1-9][0-9]*\.[0-9]+)|([0-9]*[1-9][0-9]*)))$"
¡¡¡¡//¸º¸¡µãÊý
"^(-?\d+)(\.\d+)?$"¡¡¡¡//¸¡µãÊý
"^[A-Za-z]+$"¡¡¡¡//ÓÉ26¸öÓ¢ÎÄ×Öĸ×é³ÉµÄ×Ö·û´®
"^[A-Z]+$"¡¡¡¡//ÓÉ26¸öÓ¢ÎÄ×ÖĸµÄ´óд×é³ÉµÄ×Ö·û´®
"^[a-z]+$"¡¡¡¡//ÓÉ26¸öÓ¢ÎÄ×ÖĸµÄСд×é³ÉµÄ×Ö·û´®
"^[A-Za-z0-9]+$"¡¡¡¡//ÓÉÊý×ÖºÍ26¸öÓ¢ÎÄ×Öĸ×é³ÉµÄ×Ö·û´®
"^\w+$"¡¡¡¡//ÓÉÊý×Ö¡¢26¸öÓ¢ÎÄ×Öĸ»òÕßÏ»®Ïß×é³ÉµÄ×Ö·û´®
"^[\w-]+(\.[\w-]+)*@[\w-]+(\.[\w-]+)+$"¡¡¡¡¡¡¡¡//em ......

¹ØÓÚjavascript¿ØÖÆWindows Media Player


Js´úÂë
<object classid="clsid:6BF52A52-394A-11D3-B153-00C04F79FAA6" id="wmp" >   
<param name="URL" value="" />                           //ýÌåÎļþµØÖ·   
<param name="rate" value="1" />   
<param name="balance" value="0" />                    //ÉùµÀ0È«ÉùµÀ,-100×óÉùµÀ,100ÓÒÉùµÀ   
<param name="currentPosition" value="0" />   
<param name="playCount" value="1" />                //²¥·Å´ÎÊý   
<param name="autoStart" value="-1" />       ......
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