On Wed, Jan 14, 2015 at 9:53 AM, Boris Zbarsky <bzbar...@mit.edu> wrote: > On 1/14/15 9:45 AM, Anne van Kesteren wrote: >> * Parsing of declarative syntax invokes the registered constructor >> synchronously. > > > I would like to understand what this means, exactly. For example, what is > the proposed behavior of document.write() in the declarative constructor? > > This part of the proposal really worries me in terms of implementation > complexity, for what it's worth.
I don't see why it has to be done synchronously? We can do what we do it today and do it synchronously-ish, that is before any user script (script element) is executed. That way the parser does not have to be stalled by user script until user script would run anyway. -- erik
