Echo JS 0.11.0

I'm looking for a tag input implementation similar to that in StackOverflow.

http://stackoverflow.com/questions/ask

I want to be able to:

- Move the cursor freely inside the input box
- Edit tags that are already "prettified" simply by walking my cursor through it
- Add and delete tags by using space, delete and backspace
- Have an autocomplete behavior

Is there any such thing? Or at least something I could use as an starting point for that?

The biggest of those is probably free cursor movement just like in SO. Oh and I don't want it to have any deps, but I could probably rip those out if the component itself is good enough.

Thanks!