Are you able to access your file-system, using Jetpack, and do operations such as creating or reading files or saving images?
                +1 
                A: 
                
                
              
            No, there's no jetpack-specific APIs for this yet, note the red link on MDC and the lack of a "JEP" about this. You're not prevented from using normal Mozilla APIs for file I/O (yet?), though.
                  Nickolay
                   2010-01-14 23:33:43