The video from my DotJS talk in Paris is now up. I hope it's useful. In it I walk through how to performance profile your apps using DevTools Timeline and the Heap profiler, debugging your mobile apps using Overrides, sexy SASS Source Maps, snippets, a live reload editing workflow with the tools and a few other juicy tips. Slides are also available.
I'm an engineer at Google working with the Chrome team to build tools to help improve developer productivity and satisfaction.
First do it, then do it right, then do it better. This is one fundamental I always keep in mind when developing anything.
If you're a developer wishing to learn something new, regardless of skill-level, remember that as important as it is to read, it's equally as important to get out there and *do*.