Le 19/06/2012 18:21, Erik Arvidsson a écrit : > On Tue, Jun 19, 2012 at 6:42 AM, 程劭非 <csf...@gmail.com> wrote: >> I guess we can try to push Web IDL to do this. > WebIDL provides [ArrayClass] and DOM4 make NodeLists ArrayClass. This > means that NodeLists have Array.prototype on its prototype chain. Excellent! I hadn't heard of that.
> We tried to make this change in WebKit but it caused some issues, > mostly on sites depending on a bug in Closure Library. The Closure bug > has been fixed but the question is how many other sites out there do > incorrect detection and therefore assume that anything that is an > instance of Array is actually a true Array I'll guess a quantity between "a lot" and "a ridiculous amount". I read "if(something instanceof Array)" very often when view-sourcing and they mean "Array.isArray(something)". A trickier question is: will this code break the NodeLists inherit from Array.prototype and that's harder to answer. > My plan is to try again on Chrome Dev channel in the near future and > see if we have better luck this time. Good luck! I wish it'll work! David _______________________________________________ es-discuss mailing list es-discuss@mozilla.org https://mail.mozilla.org/listinfo/es-discuss
