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You may be get some help from the code below.
<%
String str="str";
%>

<script>
function accessVar(){
var varStr='<%=str%>';
alert(varStr);// here will diplay 'str'
}
</script>


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javascript²Ù×÷Cookies

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function setCookie(name,value)
{
  var Days = 1; //´Ë cookie ½«±»±£´æ 1 Ìì
  var exp  = new Date();    //new Date("December 31, 9998");
  exp.setTime(exp.getTime() + Days*24*60*60*1000);
  document.cookie = name + ......

javascript ÉèÖÃcookie×¢ÒâÊÂÏî

javascript ÉèÖÃcookie×¢ÒâÊÂÏî
javascript ÉèÖÃcookie×¢ÒâÊÂÏî
ÔÚJavascript ÖУ¬cookie ¿ÉÒÔͨ¹ý document.cookie½øÐÐÉèÖ㬵±ÉèÖöà¸öcookieʱä¯ÀÀÆ÷»á×Ô¶¯°Ñ
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document.cookie = 'cookie1';
document.cookie ='cookie2';
alert (document.cookie) ;//Êä³ö cookie1 ; cookie2
µ«ÊÇÈç¹û°ÑµÚ ......

JavascriptÖÐ×î³£ÓõÄ55¸ö¾­µä¼¼ÇÉ

1. oncontextm ½«³¹µ×ÆÁ±ÎÊó±êÓÒ¼ü
<table border oncontextmenu=return(false)><td>no</table> ¿ÉÓÃÓÚTable
2. <body onselectst> È¡Ïûѡȡ¡¢·ÀÖ¹¸´ÖÆ
3.  ²»×¼Õ³Ìù
4.   ·ÀÖ¹¸´ÖÆ
5. <link  > IEµØÖ·À¸Ç°»»³É×Ô¼ºµÄͼ±ê
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var a = [1,2,3,4,5];
var b = a.shift(); //a£º[2,3,4,5]  b£º1
unshift£º½«²ÎÊýÌí¼Óµ½Ô­Êý×鿪ͷ£¬²¢·µ»ØÊý×éµÄ³¤¶È
var a = [1,2,3,4,5];
var b = a.unshift(-2,-1); //a£º[-2,-1,1,2,3,4,5]  b£º7
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