Basically project to play / compare ScalaJS vs pure Javascript.
Open terminal. and execute:
cd {project root}
sbt
root/fastOptJS
It will generate javascript from scala code and put it to
{project_dir}/root/target/scala-2.11/root-fastopt.js
.
Open {project root}/web/index.html
in browser and play with app, press buttons, disable browser cache if you modifiyng scala project.
sbt
test