Monday, 21 March 2011

HTML 5 Intellisense for Visual Studio 2010 and 2008

You all probably know that new HTML 5 standard is came in the market. A new intellisense schema that you can add to VS 2008 or VWD Express 2008 or VS2010 and get intellisense and validation on HTML 5 elements.
Note that schema is for markup only, we do not have DOM2 update for jscript intellisense yet.

Steps to install the schema:
  1. Download Visual Studio intellisense for HTML 5.
  2. Place html_5.xsd in C:\Program Files (x86)\Microsoft Visual Studio 9.0\Common7\Packages\schemas\html for 64-bit OS and Place html_5.xsd in C:\Program Files\Microsoft Visual Studio 9.0\Common7\Packages\schemas\html for 32-bit OS
  3. Run either x86 or x64 reg file depending on the OS and VS/VWD flavors installed. For example, for VWD Express installed on 64-bit OS run HTML-5-Schema-Reg-x64-VWD.reg and for VS 2008 installed on 32-bit OS run HTML-5-Schema-Reg-x86.reg.
  4. Restart Visual Studio
  5. You can select HTML 5 in the target schema dropdown and HTML 5 element attributes should appear in the Properties window.



Schema is experimental and has certain limitations.For example, VS 2008 and VWD are not able to validate 'wildcard' attribute names, like HTML 5 data-* attributes and is not able to handle 'transparent' content model when element content is defined by the element parent (see, for example, A element). However, it may help you to start playing with the new standard.

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