Footer is not designed to allow for script tags, it is just for visual changes.
The lifecycle of our application is very different to what a traditional webpage is. There are hooks in Ember you need to use if you need code to run
- On initialization
- On page transition
- When a route is entered
- When a component is rendered
and so on.
The to make XYZ work put the following “snippet” in your HTML footer concept make no sense for a single page application.