Event Listeners
listen
doc.listen("some-event")
The above is equivalent to document.addEventListener("some-event").
Adds an event listener, for "DOMContentLoaded", its preferable to use onready keyword, and pass a fn to it.
unlisten
doc.unlisten("example")
The above is equivalent to document.removeEventListener("example").
Adds an event listener, for "DOMContentLoaded", its preferable to use onready keyword, and pass a fn to it.