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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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var a = [1,2,3,4,5];
var b = a.shift(); //a£º[2,3,4,5]  b£º1
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var a = [1,2,3,4,5];
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<script language="javascript">
var strM = "javascript is a good script language";
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alert(strM.replace("a","A"));
</script>
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