It's not that making native-looking apps in plain JS isn't worth it – it's not possible unless you're only targeting iPhone. There may be a place for jQuery, b

It's not that making native-looking apps in plain JS isn't worth it – it's not possible unless you're only targeting iPhone. There may be a place for jQuery, but stay away from Sencha Touch. It's a huge library, and barely runs on any device but an iphone. Don't be fooled by their slick marketing and examples. Essentially, trying to replicate a native app in JS is a losing battle, unless your app is extremely simplistic. The majority of smartphones are simply too underpowered to replicate a native experience. Aim for a site like http://m.twitter.com http://m.twitter.com instead of trying to replicate a native experience. Test on real devices you intend to support as soon as possible, even if you've barely written the app.