Just to be clear: a user agent can utilize multiple speech engines simultaneously, some would support charLength, some would not. An implementation would need to have charLength be either an integer or null/undefined in each case. On Wed, Nov 16, 2016 at 3:22 PM, Eitan Isaacson <eisaacson@mozilla.com> wrote: > Just trying to translate that to valid webidl. How can an attribute be a > primitive or undefined? The only equivalent way I know is if it were > nullable with a '?' operator. > > On Wed, Nov 16, 2016 at 3:19 PM, Glen Shires <gshires@google.com> wrote: > >> On Wed, Nov 16, 2016 at 2:42 PM, Eitan Isaacson <eisaacson@mozilla.com> >> wrote: >> > >> > >> > >> > On Wed, Nov 16, 2016 at 1:32 PM, Glen Shires <gshires@google.com> >> wrote: >> >> >> >> The user >> >> agent must return this value if the speech synthesis engine supports >> >> it or the user agent can otherwise determine it, otherwise the user >> >> agent must return undefined. >> > >> > >> > How does that actually work? Shouldn't charLength be a nullable type? >> s/undefined/null/ >> > >> > And: >> > readonly attribute unsigned long? charLength; >> >> >> charIndex is also an unsigned long and undefined if the speech >> synthesis engine doesn't support it. >> >> Is there a specific problem with this that you see? >> > >
Received on Wednesday, 16 November 2016 23:42:33 UTC