You will most likely be using a templating language to re-render the view with new state.
If you're lucky your chosen language enables you to do that inlined in your function along with your normal workflow. Otherwise you now have template files, templating logic and domain logic across several files and you're right back where you started (accidental complexity), minus the JS.
If you're lucky your chosen language enables you to do that inlined in your function along with your normal workflow. Otherwise you now have template files, templating logic and domain logic across several files and you're right back where you started (accidental complexity), minus the JS.