Jquery automatically identifies the browser language code and print information in the browser

(  Function  ($ ){

  02     //    
  
  03     //  Div must be style = "display: none ;"  
  
  04    //    
  
  05  $. FN. chk_userlanguage  =     Function  (){

  06    /*  Check if <style = display: none;> not set to that element  */   

 07    If  (  !  This  . Is (  "  : Hidden  "  )){  This  . Hide ();};

  08  

  09   /*  Get browser default Lang  */  

  10    If  (Navigator. userlanguage ){

  11  Baselang  =  Navigator. userlanguage. substring (  0  ,  2  ). Tolowercase ();

 12  }  Else  {

  13  Baselang  =  Navigator. Language. substring (  0  ,  2  ). Tolowercase ();

  14  }

  15  

 16    /*  Language match  */   

  17    Switch  (Baselang)

  18  {

  19    Case     " De  "  :

  20    /*  German  */   

  21    This  . Slidedown (  "  Slow  "  );

 22    Break  ;

  23    Case     "  En  "  :

  24    /*  English  */  

  25    Break  ;

  26    Case     "  Ja  "  :

  27    /*  Japan */   

  28    Break  ;

  29    Case     "  ZH  "  :

  30    /* Chinese  */   

  31    Break  ;

  32    Default  :

  33    /*  Default no match  */   

 34  }

  35  };

  36  }) (Jquery ); 

Javascript: Document. Write (navigator. Language. substring (0, 2). tolowercase ());

Javascript: Document. Write (document. Cookie); print the cookie value of the browser.