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Re: Are <svg> elements par of a webpage or separate documents?

for

From: Steve Faulkner
Date: Oct 17, 2017 9:01AM


hi Birkir

This does not work on regular html elements, since id attributes must
> be unique within the page.


SVG has similar restrictions:

The ‘id <https://www.w3.org/TR/SVG2/struct.html#IDAttribute>’ attribute
> must be unique within the node tree, must not be an empty string, and must
> not contain any whitespace characters.
>

https://www.w3.org/TR/SVG2/struct.html#IDAttribute


--

Regards

SteveF
Current Standards Work @W3C
<http://www.paciellogroup.com/blog/2015/03/current-standards-work-at-w3c/>;

On 17 October 2017 at 15:45, Birkir R. Gunnarsson <
<EMAIL REMOVED> > wrote:

> Good morning
>
> I got an interesting question from a developer today who wants to use
> the same id attribute on all <title> elements within an <svg> element
> for the purposes of assigning alternative text.
>
> <svg role="img" aria-labelledby="title">
> <title id="title">alt text for the image</title>
> ...
> </svg>
>
> NVDA with Firefox only works when the img role is applied to <svg>
> that are not implemented inline, at least preliminary testing
> indicates that.
>
> This does not work on regular html elements, since id attributes must
> be unique within the page.
> But doesn't <svg> work a bit like <iframe> elements in that they are
> basically a totally separate entity from the rest of the page?
>
> In that case I could use aria-labelledby="the same id" on all the
> <svg> elements.
> I am no svg expert yet (that is obvious *grin*) but I am dabbling in
> it and thrilled by the possibilities for making images a lot more
> ccessible.
>
> Cheers
> -B
>
>
> --
> Work hard. Have fun. Make history.
> > > > >