> actually, i think the most efficient way to do this is to mark the questions
> and answers with grouped id's:
> <div id='q14' class = 'question'></div>
>
> <div id='a14' class = 'answer'></div>
>
> and then you could do:
>
> a_id = 'a'+this.get('id').substr(1);Funnily enough that is the way I "used" to do it - ie assigning unique id's to all the questions and answerd (eg) until I got my head round arrays and indexes (in Mootools). As I understand it this would make for simpler code and less html markup (ie no "ids" on all the elements). However, you say that using arrays is less efficent in this case so now I am not so sure.... time to do a couple of tests... Chris On 11 feb, 09:43, אריה גלזר <[email protected]> wrote: > actually, i think the most efficient way to do this is to mark the questions > and answers with grouped id's: > <div id='q14' class = 'question'></div> > > <div id='a14' class = 'answer'></div> > > and then you could do: > > a_id = 'a'+this.get('id').substr(1); > > this is much simpler and more efficient than creating an array of all > answers and question, and IMO more semantic as well. > if you anticipate a question will be clicked multiple times than element > storage can be a good solution, but in a q-a scenario i think most times > element storage is an overkill. > ----------- > אריה גלזר > 052-5348-561 > 5561 > > On Wed, Feb 10, 2010 at 23:48, cbolson <[email protected]> wrote: > > Thanks all for your help :) > > I think that it was the indexOf that I was missing in all my various > > attempts. > > > Using getNext(), whilst it works in my example in mooshell, won't > > actually work in my actual code as the elements aren't "together". > > > Cheers, > > Chris > > > On 10 feb, 22:30, Ryan Florence <[email protected]> wrote: > > > I'd personally create the arrays and do the indexOf in this scenario. > > > > But there's a chance the actual use case could call for storing the > > > answers with the questions then simply retrieving the element using > > > el.store and el.retrieve. > > > > On Feb 10, 2010, at 2:04 PM, אריה גלזר wrote: > > > > >http://mootools.net/shell/K55zK/3/ > > > > this in an event always points to the element. > > > > knowing that, here are 2 solutions for this that i can think of: > > > > 1. creating a questions array and using indexOf > > > > 2. using getNext() to fetch the nearest answer > > > > > both are shown in the example above. > > > > ----------- > > > > אריה גלזר > > > > 052-5348-561 > > > > 5561 > > > > > On Wed, Feb 10, 2010 at 22:41, cbolson <[email protected]> wrote: > > > > Is it possible to get the index of the element (eg) clicked when using > > > > event delegation? > > > > > Here is my example code: > > > > > var comments=$$('.answer').hide(); > > > > > document.id('faq').addEvent('click:relay(.question)', function(){ > > > > // how to get the "index" of the item clicked so that this > > > > next line will work? > > > > comments[index].show(); > > > > }); > > > > > Code in mooshell: > > > >http://mootools.net/shell/kss2C/ > > > > > Thanks in advance for any suggestions, I am probably missing something > > > > obvious :( > > > > > Chris
