On 13 June 2015 at 15:30, Léonie Watson <lwat...@paciellogroup.com> wrote: > why not use the extends= syntax you mentioned? > > <my-button extends="button" attributes>Push</my-button>
because browsers that don't know about web components wouldn't pay any attention to <my-button>, and render "Push" as plain text. Browsers that don't know about web components will fall back to <button> with <button this-is-made-much-more-marvellous-by="my-button"> (or whatever) b