On Thu, Jun 14, 2012 at 5:35 PM, Thaddee Tyl <[email protected]> wrote:
> On Thu, Jun 14, 2012 at 3:29 PM, Allen Wirfs-Brock > <[email protected]> wrote: > > This is a different issue, but I wonder how badly the web would break if > we > > made undefined a reserved word. Does anybody in JS really declare a > > different local binding for undefined? In ES5 we got away with making > > undefined read-only. Maybe we should continue pushing and see if we can > > eliminate the rebindable undefined hazard. > > JQuery [1] famously has an "undefined" parameter, like so: > > (function( window, undefined ) { … }(window)) > Actually, this exists because undefined wasn't reserved. We would certainly remove the formal param in favor of an reserved undefined. Unfortunately, we can't "take it back" in extant code. Rick > > What would happen in this case? > > [1] http://code.jquery.com/jquery-1.7.2.js > _______________________________________________ > es-discuss mailing list > [email protected] > https://mail.mozilla.org/listinfo/es-discuss >
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