View http://updates.html5rocks.com/2013/03/Visualizing-Shadow-DOM-Concepts
I’ve had Shadow DOM on my radar for the past few weeks, and I’m still trying to keep it straight in my brain. The whole idea of being able to encapsulate segments of the DOM for abstracted use is just so outside the norm for what we’ve been doing for decades that it’s going to take a while for it to sink in for me. the Shadow DOM Visualizer really helps though.
If you’re as curious about Shadow DOM as I am, there are a number of great overview articles to check out: