This is a little tool to try wisp programing language. Tool let's you type wisp code and see compilation result (javascript code) in the right preview panel.
Try wisp: http://jeditoolkit.com/try-wisp
This demo is tool is written in wisp and browser bundles are generated using browserify. If you wanna make changes, you'll have to install dependencies:
npm install
Once you make changes you need to make build. You could run command below to let it take care of recompling every time you save a changes.
npm start