Helper Polymer behavior exposing a private API for observing mutations in the element's light DOM.
If you only want to detect addition/removal of children, use Polymer's DOM API's observeNodes
method to track when children are added and removed from your element.
Element dependencies are managed via Bower. To install this Polymer behavior, use this command
bower install --save mutation-observer-behavior
Please refer to the component page for more informations.
Example of elements using this behavior: