15154 2011-12-12 21:32:35 +0000 [Explainer]: Can you use a custom element definition on any element? 2011-12-12 23:33:00 +0000 1 1 1 Unclassified WebAppsWG HISTORICAL - Component Model unspecified PC All RESOLVED INVALID P2 normal --- 14949 1 divya.manian dglazkov public-webapps-bugzilla oldest_to_newest 61462 0 divya.manian 2011-12-12 21:32:35 +0000 In this: <element extends="button" name="x-fancybutton"> <!-- definition --> … </element> <button is="x-fancybutton" onclick="showTimeClicked(event);"> <!-- use --> Show time </button> I guess it should be obvious ("no") but I wonder if, say in the example of the custom button definition, can a span use that definition? so instead of <button is="x-fancy…" can you say <span is="x-fancy…"? 61468 1 divya.manian 2011-12-12 23:33:00 +0000 Ugh I didnt see the error handling at the end. Maybe it might just help to explain at the beginning that the elements it can be used on need to be same as the element it extends.