David Nolen gives a great tutorial on how to use ClojureScript. I just remove the 10% of it that was ClojureScript specific. See the original one here: https://github.com/swannodette/lt-cljs-tutorial.
- install https://www.jetbrains.com/idea/download/
- install cursive plugin
- add a local leinigen REPL https://cursive-ide.com/userguide/repl.html
- read through tutorial and evaluating forms as you go!