Moved to the Mozilla Developers wiki.
Commonly, we start our scripts like so:
var Cc = Components.classes; var Ci = Components.interfaces;
If we want to get a hold of a component, we then do something like:
var rc = Cc["@mozilla.org/registry;1"]; var rs = rc.getService(Ci.nsIRegistry);
See also:
Moved to the Mozilla Developers wiki.