Convert XAML UIs to CSS and JavaScript so we can write once and serve all platforms.

Make it at the project level instead of Visual studio level (Tools/Options/Text Editor/Javascript/Intellisense) so there is no conflict with different versions of the javascript library (ie. jquery) between different projects.
Implemented as it's now, I wil get intellisense of the several jquery versions when I actually will be using some specific jquery version.
It will be even better if the intellisense is taken from all the liraries of some specific folder of the project

Create GWT like support for Asp.NET developers

Metro apps are sold in the store and then installed locally on the user machine. By now (consumer preview) it's really easy to find the application and copy all the code of the App and even create a new Visual Studio solution that runs it (I did test it with cut the rope)

Many applications will include private info like private api keys for accessing services, and furthermore will contain full code even if the user is using a trial. So obfuscation is a must for this kind of apps.

Thank you,
Juanma

Provide HTML5/JavaScript language option for windows phone 8 app development. we have it for windows store apps why not for windows phone 8 apps?

With the growing variety of browsers and platforms, it's impossible to keep track of everything in your mind.

- Show which browsers support what you write, as you type (html,css,js)
- Generate a browser support overview for every file and entire project.
- Make it possible to preview in all browsers installed, or even connect to online testing services which returns rendered images or similar.

In Visual Studio Developer Preview 11 in CSS-Editor adds the ability to split code on regions, which can expand and collapse. In CSS-code regions is defined as follows:

/*#region Region 1 */
.test1
{
color: Red;
}
/*#endregion*/

I propose to add support for regions in JavaScript-editor. For JS-regions can use the following syntax:

//#region Region 1
function test1() {
alert("Test");
}
//#endregion

as with the code behind files, where you can collapse the outlining of the Structure, I'd like to see the ability to collapse Javascript both inline and in-file.

Highlight all occurrences of selected word in JavaScript files!

This feature works great in VisualStudio 2010, but now no longer! But in CSharp code this function is still supported. WTF!

Not able to jump into ajax calls in js or not able to step in JSON block. Whole JSON block appears to be a single statement for debugger. Like to have Firebug like debugging out of box in VS.

i want to manage javascript methods and logic per page, like the code behind (you can union all of them later on runtime
managing js methods in a central page is a big mess!

The Javascript Parser VS2010 extension is awesome! I was able to easily dig into tons of OTHER people's cryptic Javascript code. The code as humanly minified to reduce page size. This capability needs to be integrated into Solution Explorer just like Solution Navigator Power Tools extension. The productivity will be amazing! Also, the ability to Mark (star/color/flag) a method is really great too!

The other day i deployed a production website and when the users reported that they could not view the documents on the system, i found that there was a stupid * sign in the javascript function that loads the document to the custom document viewer, the compiler should have picked this up and not allowed the code to compile, if VS did this for me i would not have deployed a buggy website to production, so basically i would like the compiler to compile the javascript as well

Evaluate and run JavaScript in the designer so that the UI reflects the DOM changes made by JavaScript.

Allow C#, VB.Net etc. compilers to target JavaScript instead if MSIL + tool support to bring language democracy to client side programming. Something similar to Script# (can't afford to take a dependency on Script# as it's unsupported)

How about the ability to set a sub or function to be a client side jscript function? What I mean here is create a sub or function and some how mark it as client side. Then once the page is rendered, it will become a client side jscript for the current page or master page. This would be VERY nice especially for us lazy folks that REALLY don't have time or WANT to learn jscript.

When publishing a web application the publish routine should minifi your CSS and JavaScript. Saves a manual step when publishing.

Why in the IDE, there is no utility to minimize the CSS, JavaScript and HTML/ASPX? Please see this sophisticated techniks: 1.)http://omari-o.blogspot.com/2009/09/aspnet-white-space-cleaning-with-no.html (for ASPX pages only). 2.) http://ajaxmin.codeplex.com/ (for CSS and Javascript only). Instead of programming business-logic, developers need to do boring work and apply different methods for improve the performance of ASPX pages and CSS/JS without any help from IDE side.