GitHub - rafaelw/mutation-summary: A JavaScript library that makes observing changes to the DOM easyMutation Summary does five main things for you: It tells you how the document is different now from how it was. As its name suggests, it summarizes what’s happened. It’s as if it takes a picture of the document when you first create it, and then again after each time it calls you back. When things have changed, it calls you with a concise description of exactly what’s different now from the last p
