> When is it safe for a user agent to garbage collect a BroadcastChannel instance?
When there's no direct reference to the object and no onmessage handler attached to it. (?) On Fri, May 23, 2014 at 5:23 PM, Adam Barth <w...@adambarth.com> wrote: > When is it safe for a user agent to garbage collect a BroadcastChannel > instance? > > > http://www.whatwg.org/specs/web-apps/current-work/multipage/web-messaging.html#broadcasting-to-other-browsing-contexts > > Given that another document might create a new BroadcastChannel > instance at any time, the |message| event of the object might fire any > time its responsible document is fully active. For web application > that have long-lived documents, the BroadcastChannel might not be > eligible for garbage collection for a long time. > > Proposal: Add a |close| method to the BroadcastChannel interface > similar to the |close| method on MessagePort. The |close| method > would just neuter the instance of the channel and prevent it from > receiving further messages. > > Adam >