On 6/17/11 5:35 PM, David Flanagan wrote: >> 3. No further own properties or properties from the object’s >> prototype chain are enumerated. > > Is point 3 for real? If I get a NodeList like document.childNodes and > use it in a for/in loop, I'll just get the index elements and not the > enumerable inherited length and item? And if I add an enumerable expando > property to that NodeList, it won't be enumerated either? For what it's worth, point 3 does not match the behavior of Chrome, Safari, Gecko, or Opera. I don't have IE on hand to test right now. > Is there any precedent for this? What other objects behave this way? Array objects in JS, from an author perspective, but that's due to the various Array.prototype stuff and the length property not being enumerable. Expandos are obviously enumerated for arrays. -BorisReceived on Saturday, 18 June 2011 04:43:33 UTC
This archive was generated by hypermail 2.3.1 : Tuesday, 6 January 2015 21:37:44 UTC