User:Asqueella/Sandboxes
From MozillaWiki
| 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 |
|
|
| Creation cost / memory overhead | ? | ? |
