One more little thing: per spec, for...in enumerates the array keys as strings. A
On Thu, Sep 3, 2009 at 8:29 AM, Jesse Hallett <halle...@gmail.com> wrote: > According to Crockford `for in` gives no guarantee that it will iterate > over > array elements in order. That is in addition to the problem that it will > also enumerate any attributes on `Array.prototype`. So Crockford > recommends > using `for` with an incrementing index variable instead. > > In my opinion Array#forEach is a better option. But it is a > Spidermonkey-specific feature, added as part of JavaScript 1.6. It will > work fine in CouchDB views, but it will not be available in a lot of web > browsers. > > On Sep 3, 2009 3:46 AM, "Jan Lehnardt" <j...@apache.org> wrote: > > On 3 Sep 2009, at 11:11, Simon Metson wrote: > Hi, > I'm not sure if > there's a technical be... > to get for(... in .. ) right you need to add: > > a hasOwnProperty() call to account for prototypical inheritance behaviour. > > In addition forEach and a closure can be optimised behind the scenes > better. > > Cheers > Jan > -- > > > Cheers > Simon > > On 3 Sep 2009, at 09:53, Nils Breunese wrote: > >> I > even learned that u... >
