This playground allow user write their code if to test something out or to make something out of user mind. Not only this playground just a code but a practice tool for beginners or in development, In case of experienced users this might be not effecient editor but in the future the editor will be updated in meantime.
In short answer is Yes, The editor not only for testing and just typing but will be a tool for learning, This is also include Not implemented yet.templates and demos.
This playground is not apart to other editor, this offer the same output and service as the other editor. Its on user where to type on.
The creator of this editor is BasiDeveloper which is me, but you can contact me if you want me to create your personal static website in a small price Contact Me.