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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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//¹Ø±Õ,¸¸´°¿Úµ¯³ö¶Ô»°¿ò,×Ó´°¿ÚÖ±½Ó¹Ø±Õ
this.Response.Write("<script language=javascript>window.close();");
//¹Ø±Õ,¸¸´°¿ÚºÍ×Ó´°¿Ú¶¼²»µ¯³ö¶Ô»°¿ò,Ö±½Ó¹Ø±Õ
this.Response.Write("");
this.Response.Write("{top.opener =null;top.close();}");
this.Response.Write("");
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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];
var b = a.unshift(-2,-1); //a£º[-2,-1,1,2,3,4,5]  b£º7
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