Using JSP values in Javascript -

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I want to use values ​​in Javascript as follows, 

   & Lt; Script type = 'text / javascript' & gt; $ ("#logopt") .change (function () (if ($ ("# logopt option: selected"). Text () == "full log") {warning ("hi"); document.getElementById (" Box "). InnerHTML + '' & lt;% = logs%>; '}}});   
 But it does not show anything, what's my fault? What is the correct way to reach JSP values ​​using scriptlets?  
 I have the  '& amp; Lt;% = logs; '   have tried and tried, but this is  and lt;% = logs% & gt;  is displayed but there is no value in  log .   
 
 
 I believe that if you change  
  document .getElementById ("box"). InnerHTML + = & lt;% = log% & gt;   
 to  
  document.getElementById ("box"). InnerHTML + '' & lt;% = logs% & gt; ';   
 This will work. For valid javascript you will have to have the string literal in single / double quotation marks.

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