User:Asqueella/Sandboxes

Capability	Sandbox	Components.utils.import()
Run code with non-system principal	Yes	No
Multiple "instances" of the same code (page-mods, unit-test)	Yes	No (not without loading the same code from a different URI, defeating caching)
Caches compiled code => no need to recompile from source on every creation (i.e. on startup for regular modules, on page load for page-mods).	No	Yes
Unloadable	Yes	Firefox 7+ [1]
Other	few extra globals: importFunction [2] Additional options	many extra globals: atob, btoa, File, __LOCATION__, __URI__, EXPORTED_SYMBOLS
Creation cost / memory overhead	?	?