Re: [ARIA] [Review] ACTION-1493: Text explaining "implicit value for role" and default values.

  Should aria-valuenow contain a range in case of two-thumbed slider? 


e.g. <input type=“range” aria-valuemin=“0” aria-valuemax=“50” aria-valuenow=“20-40” />


—Michiel


> On Jul 6, 2015, at 5:52 PM, Joseph Scheuhammer <clown@alum.mit.edu> wrote:
> 
> 
> Hi Fred,
> 
> 
>> Is there any guidance on double ended (range) sliders, where a user 
>> can set the min and max values for a range on one slider. You see 
>> sliders like this all the time for filtering. For instance, if I want 
>> to set the lower and upper price range on a washing machine, engine 
>> size of a car... 
>> 
>> 
>> 
> 
> 
> The only advice I remember is in the APG -- sliders with two thumbs. 
> The maximum of the slider/thumb that represents the low end of the range 
> redefines the minimum of the slider/thumb that defines the upper end. 
> The script needs to take that into account and not allow the user to 
> move the thumbs past each other. Otherwise, aria-valuemin, 
> aria-valuemax, and aria-valuenow behave as usual.
> 
> 
> Jon has an OOA a11y example:
> http://www.oaa-accessibility.org/examplep/slider1/
> 
> 
> TPG also provides an example:
> http://files.paciellogroup.com/blogmisc/samples/aria/slider/doubleslider.html
> 
> 
> And, here's one by Hans Hillen, using jQuery:
> http://hanshillen.github.io/jqtest/#goto_slider
> 
> 
> The APG advice:
> http://w3c.github.io/aria/practices/aria-practices.html#slidertwothumb\
> 
> 
> Hope that helps.
> 
> 
> -- 
> ;;;;joseph.
> 
> 
> 'Array(16).join("wat" - 1) + " Batman!"'
> - G. Bernhardt -
> 
> 
> 
> 
>