When we develop web applications with HTML5 API, we can add HTML5 Intellisense, here is the link to download the installer for Visual Studio and Visual Web Developer 2010 and 2008
HTML 5 Intellisense for Visual Studio 2010 and 2008
We just have to install and the option for HTML5 validation code will appear automatically in our tool bar
Now we will see how the Intellisense displays with HTML5 tags
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