asp 中数值传递的问题，就是想让最后一句话显示出数值来

Question

```<script language="javaScript">
 function ttt() 
 {       aaa=1+2 
      return aaa

 }
    var xxx=ttt();  
    document.write(xxx);
</script>
</body>
</html> 
<script language="javascript" >
document.write(xxx) 
</script>

<%response.write xxx %>

Answer 1

<script language="javascript" >
document.write(<%ttt()%>) 
</script>