Modern Javascript and Rails

Cleanly integrating modern Javascript into a Rails app by Jason Roelofs March 9, 2016 Updated November 27, 2016 with tweaks as well as an example Rails 5 site showcasing this setup. Want to write ES6 and/or use JSX or any of a vast array of modern Javascript tools in your Rails app? What about also writing your Javascript tests with the same tools? It’s easy with Browserify-rails and Teaspoon! I’l