This _is_ how it was for quite a while. Check out Rails as of about Rails3 or so. Unobtrusive JS, serving up partial HTML, etc.
There's a set of interactions for which this works incredibly well and a set where it falls short.
If your UX and data model support the notion of users interacting with a single resource at a time it's really effective. If you have lots of data that has effects on other data you might be displaying, or you need lots of fine grained interactions, a full client side app will probably provide the best experience.
There's a set of interactions for which this works incredibly well and a set where it falls short.
If your UX and data model support the notion of users interacting with a single resource at a time it's really effective. If you have lots of data that has effects on other data you might be displaying, or you need lots of fine grained interactions, a full client side app will probably provide the best experience.