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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

javascript²Ù×÷Cookies·½·¨¼¯½õ
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 + ......

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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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<script language="javascript">
var strM = "javascript is a good script language";
//ÔÚ´ËÎÒÏ뽫×ÖĸaÌæ»»³É×ÖĸA
alert(strM.replace("a","A"));
</script>
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