anchor.diff:  
   image::/images/content/news/2018-03-26-clojurescript-command-line/blue-circle.png[Browser REPL Showing Blue Circle,400]
   
  -Try interacting with the app, by drawing other circles. For exmaple, try this in the REPL:
  +Try interacting with the app by drawing other circles. For example, try this in the REPL:
   
   [source,clojure]
   ----
  
positive.code: java -cp "cljs.jar;src" cljs.main -t node -O simple -o main.js -c my-app.core
  ----
  
  With this, you can run copy `main.js` to wherever you like, and run
  
  [source,bash]
  ----
  
negative.code: java -cp cljs.jar cljs.main -h
  ----
  
  A couple of interesting options that might be useful are `-co` and `-ro`. They provide the ability to configure any compiler https://clojurescript.org/reference/compiler-options[compiler option] or https://clojurescript.org/reference/repl-options[REPL option], (which go under `-co`) and REPL-environment-specific options (which go under `-ro`). These can act as an "escape hatch" if you need to specify something for which `cljs.main` doesn't provide a command-line flag.
  
  For example, the following will apply the `:repl-verbose` option (thus showing the JavaScript being emitted while using the REPL):
  
  