The fundamental problem with HTML5 is JavaScript, which is not an ideal language for enterprise application development.
Google recognises this issue. An internal email from Nov 2010 that outlines their strategy for ‘Dart’, says:
“Complex web apps–the kind that Google specializes in–are struggling against the platform and working with a language that cannot be tooled and has inherent performance problems”
In the past Google has used Java to JavaScript compilation (GWT) and annotated-JavaScript to JavaScript compilation (Closure) to overcome these problems. In my previous blogpost I speculated that Microsoft could use a similar approach, offering a C# / VB.NET to JavaScript compiler, allowing HTML5 developers to use the full power of Visual Studio. However, with Dart Google are looking to go one step further:
“The goal of the Dash effort is ultimately to replace JavaScript as the lingua franca of web development on the open web platform.”
That’s quite an ambituous goal!
http://www.scottlogic.co.uk/blog/colin/2011/09/dart-will-google-make-html5-applications-viable/
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