@Nick: OK I understand my misunderstanding. You were speaking about feature detection *in app* while I was speaking about feature detection *in the marketplace*.
Actually, the marketplace can't detect the use of flexboxes and thus, can't tell a user that the app will work or not on his device, as it is done with the JavaScript APIs. I think this is a real need as developers may know that flexbox will only work on Firefox 28+ / Firefox OS 1.3+ ut it is hard to make the user understand it. _______________________________________________ dev-webapps mailing list [email protected] https://lists.mozilla.org/listinfo/dev-webapps
