I don't belive NodeList has splice(). On Sat, Jan 3, 2009 at 5:57 PM, Adam Peller <[email protected]> wrote:
> > It may have been deliberate to 'duck type' or allow Array-like > objects. An instanceof test would be the only accurate test, but it > may (or may not) be helpful to handle user-created objects as Arrays, > or other things like NodeList, which seems to have its own special > handling. > > -Adam > > On Sat, Jan 3, 2009 at 12:52 PM, Brian Di Palma <[email protected]> wrote: > > Which explains why the Object is not being taken as an Array. > > > > typeof obj.splice === 'function' > > > > that condition is failing. Correctly too an object is not an Array. > > > > On Sat, Jan 3, 2009 at 4:54 PM, John J Barton < > [email protected]> > > wrote: > >> > >> Sorry, I was just trying to summarize. The actual test is: > >> if (isFinite(obj.length) && typeof obj.splice === 'function') > >> > >> jjb > >> > >> On Jan 3, 8:22 am, "Brian Di Palma" <[email protected]> wrote: > >> > That's not an Array it's an object. For a native Array length is > >> > controlled > >> > for you and splice() is provided to you. > >> > > >> > [] === Array > >> > > >> > {} === Object > >> > > >> > On Sat, Jan 3, 2009 at 7:03 AM, Garrett Smith > >> > <[email protected]>wrote: > >> > > >> > > >> > > >> > > On Fri, Jan 2, 2009 at 9:28 PM, John J Barton > >> > > <[email protected]> wrote: > >> > > >> > > > Any Javascript object with 'length' and 'splice' should format as > an > >> > > > array. If not please report a bug. > >> > > >> > > Using Firebug 1.2.1, an object with properties |length| and |splice| > >> > > is not formatted the same as an Array. > >> > > Example: > >> > > >>> ({splice:1, length:2, '0':0, '1':1, '2':2}) > >> > > Object splice=1 length=2 > >> > > >>> [0,1,2] > >> > > 0,1,2 > >> > > >> > > Please describe how an array is to be formatted so that a bug can be > >> > > filed. > >> > > >> > > Thanks, > >> > > >> > > Garrett > >> > > >> > > > jjb > >> > > >> > > > On Jan 2, 11:09 am, Danny <[email protected]> wrote: > >> > > >> Thanks; that makes sense. But Firebug also changed the way it > >> > > >> displays > >> > > >> true arrays. Arrays of simple types like [1,2,3] are listed; > arrays > >> > > >> that contain objects are displayed as "Object". console.dir() > >> > > >> helps, > >> > > >> but it was nice to have it all in one line. > >> > > >> > > >> Danny > >> > > >> > > >> On Jan 2, 12:46 pm, John J Barton <[email protected]> > >> > > >> wrote: > >> > > >> > > >> > jQuery('div') is not an array. It has length but not splice. So > >> > > >> > Firebug does not format it as an array. > >> > > >> > > >> > In Javascript, the line between what is an array and what is > not > >> > > >> > an > >> > > >> > array is unclear. After many versions the current test in > >> > > >> > Firebug > >> > > >> > requires an array to have 'length' and 'splice'. Earlier > versions > >> > > >> > of > >> > > >> > Firebug only required 'length', but that caused some objects to > >> > > >> > be > >> > > >> > formatted as arrays that did not have numerical indexes. > >> > > >> > > >> > jjb > >> > > >> > > >> > On Jan 1, 10:10 pm, Danny <[email protected]> wrote: > >> > > >> > > >> > > Has anyone else using jQuery noticed that Firebug before 1.2 > >> > > >> > > would > >> > > >> > > treat console.log(jQuery('div')) as an array and list all the > >> > > matched > >> > > >> > > elements on the console, so you could mouse over the list and > >> > > >> > > highlight the elements, or right-click and scroll into view > >> > > >> > > etc., > >> > > but > >> > > >> > > now it just lists "Object length=13" and you need to click on > >> > > >> > > that, > >> > > >> > > then you get a vertical list that you need to scroll through. > >> > > >> > > The > >> > > old > >> > > >> > > way was more helpful, I think. > >> > > >> > > >> > > Workaround: console.log.apply(console, jQuery('div').get()) > >> > > >> > > comes > >> > > >> > > close to reproducing the old behavior. > >> > > >> > > >> > > I'll crosspost this on the jQuery list. > >> > > > > > > > > > > > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Firebug" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/firebug?hl=en -~----------~----~----~----~------~----~------~--~---
