There are hundreds of javascript libraries. I'm not sold on Knockout.js. People who know web lots better than me say MVVM is too slow for the browser. But I haven't looked at it. Still so much to learn about the tools that I am using. (MVC4, jquery, jqueryUI, css, javascript, wijmo)

>I was pretty suprised when I started hacking around with Wordpress how much it was a PHP animal. Didn't really like it. (though I really like wordpress) For the reasons you state I see a number of people recommending learning just enough PHP to figure out where to plug in jquery to add on to Wordpress if that is the goal.
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>Javascript seems to have a very dynamic community moving it forward and the modularity it allows gives you some real choices in how to implement pretty much anything you can imagine with HTML5.
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>I think there is a consensus building and it is noticeable over the last year.