# Comments, selector example

- John Smitt — Treant.js is an library that handles drawing and visualisation of tree structural charts. What does that mean?

  - Peter Griffin — Great collection! A lot of good inspiration. Thanks!

  - Jane Black — Thanks for tutorial. One issue I have is that all tutorials is on dev environment. What about production? what differences between …

    - Joe Linux — Looks very promising. I'll have to take a closer look some time.