This means every graphical object you create is also a DOM object, so you can attach JavaScript event handlers or modify them later. The width and height of the container are set to 100% so that the chart fills the whole screen. Because I’ve been using and producing my own OO/UML diagraming frameworks since ’92, and looking for one like the above for graphical design of a declarative specificacion-based test framework (now fed with textual notation in JSON), I’m looking into Google Blocky, and shall try to bend it for this purpose., You can find examples for each use cases here. These files have to be included inside the