Applying a function to each note in a selection

gistfile1.js

// Apply the given function to all notes in selection
function applyToNotesInSelection(func)
      {
      var cursor       = new Cursor(curScore);
      var selectionEnd = new Cursor(curScore);

      cursor.goToSelectionStart();
      selectionEnd.goToSelectionEnd();
      var startStaff = cursor.staff;
      var endStaff   = selectionEnd.staff;

      for (var staff = startStaff; staff < endStaff; ++staff) {
            cursor.goToSelectionStart();
            for (var v = 0; v < 4; v++) {          
                  cursor.goToSelectionStart(); // set voice to 0
                  cursor.voice = v; //voice has to be set after goTo
                  cursor.staff = staff;

                  while (cursor.tick() < selectionEnd.tick()) {
                        if (cursor.isChord()) {
                              var chord = cursor.chord();
                              var n     = chord.notes;
                              for (var i = 0; i < n; i++) {
                                    var note   = chord.note(i);
                                    func(note);
                                    }
                              }
                        cursor.next();
                        }
                  }
            }
      }