DeepDream in the Browser
Debugging this demo: Go to the Sources panel in the Chrome Developer Tools and load the demo. You should see a webworker icon entitled with deepdream_worker.js. You can click on it and set your breakpoints as usual. Additionally, you could enable DevTools for Services Workers in the Resources panel.
Mordvintsev et al., Inceptionism: Going Deeper into Neural Networks, Google Research Blog, 2015