JavaScript is Web Assembly Language and that's OK. - Scott Hanselman
http://www.hanselman.com/blog/JavaScriptIsWebAssemblyLanguageAndThatsOK.aspx
As our great philosopher Kosh from Babylon 5 once said: "The avalanche has already started. It is too late for the pebbles to vote."
azakai: The Elusive Universal Web Bytecode
http://mozakai.blogspot.de/2013/05/the-elusive-universal-web-bytecode.html
In summary, we already have what practically amounts to a bytecode VM in our browsers
Why asm.js bothers me
http://mrale.ph/blog/2013/03/28/why-asmjs-bothers-me.html