function TryCatchDemo(x){
     try {
        try {
        if (x == null)                        
           throw "x equals null";            
        else
           throw "x does not equal null";   
        }
        catch(e) {                          
           if (e == "x equals null")          
              return(e + " and handled in inner catch block.");
          else                                
              throw e;                         
        }                                      
     }
     catch(e) {                               
        return(e + ", error handled in outer catch block."); 
     }
  }
  print(TryCatchDemo(null)+ "\n");
  print(TryCatchDemo(new Array(5)));

To learn more about exception handling, go to Column 118, JScript .NET, Part XII: Exception Handling.

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