Adaptive UX and html5/javascript apps for Win 10

Question

Will there be a way for html5/javascript apps in Windows 10 to have one package that will adjust to each kind of platform, ie. phone, xbox etc.  Is there going to be anything similar to what is being shown in Xaml?

Answer 1

We're not discussing Windows 10 yet. 

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Matt Small - Microsoft Escalation Engineer - Forum Moderator
If my reply answers your question, please mark this post as answered.

NOTE: If I ask for code, please provide something that I can drop directly into a project and run (including XAML), or an actual application project. I'm trying to help a lot of people, so I don't have time to figure out weird snippets with undefined objects and unknown namespaces.

Answer 2

Well your company is certainly discussing it now!

Answer 3

This is a very important question.  Since Monday's Windows 10 SDK announcements I've been scouring the Internet for a Microsoft response to this question and have found nothing definitive.

On his blog post, Soma Somasager stated, "You can create a Windows universal apps with the new project templates in Visual Studio 2015 in a language of your choice – C#, VB, C++, or JavaScript." 
However, in all other related material (the MVA course, the Github-released samples code, etc.), it is all C../XAML, with NO MENTION (that I can find) of HTML/Javascript.

So, since Microsoft is indeed 'discussing' Windows 10 (releasing an SDK to early adopters, with sample source code, an MVA course, etc.), could you please now answer the question many are asking: how and when does HTML/Javascript fit into the Windows 10 Universal app development story?

Answer 4

As Cliff said in the comments at Windows 10 developer tooling preview now available to Windows Insiders

Consider this an initial preview release, providing a peek at the direction of the tooling. We’ll have more in there when we go deep into the details at Build and update the preview tooling.

That said, HTML5 already has adaptive UI methods similar to what is being added for Xaml. The new Windows Runtime features will apply to all project languages.