On Oct 28, 2014 9:27 AM, Boris Zbarsky <[email protected]> wrote: > > On 10/28/14, 12:23 PM, Allen Wirfs-Brock wrote: > > However, that won't do any thing for host defined global properties > > Hmm. > > That's actually a problem. The following host defined (by DOM) global > properties need to be non-configurable and not shadowable when > evaluating script in the global scope: "window", "document", "location", > "top". Allowing those to be shadowed or otherwise overridden leads to > security bugs. >
They could be specified as being handled in the same manner as the ES builtins. Also I'll check if it's feasible to make it a runtime error for a global let to shadow a non configurable property of the global object. Allen _______________________________________________ es-discuss mailing list [email protected] https://mail.mozilla.org/listinfo/es-discuss
