Mayayana wrote:

> Andy Burns wrote:
>
>> It's a newish attribute but  avoids using
>> js for that.
>
> That's interesting. I didn't know about it. But it is *very* new.
> Chrome 76, according to w3c.

yeah that's about right, safari is the laggard



> So not likely to be used for
> some time. Also, there's still the problem of pages trying to
> guess your screen size and then load one of several size
> options based on that. That's also completely broken without
> script.

That's what  is meant for in combination with multiple 
child elements with media selectors for various screen sizes

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