devdocs/assets/javascripts/views/misc/notice.js

class app.views.Notice extends app.View
  @className: '_notice'
  @attributes:
    role: 'alert'

  constructor: (@type, @args...) -> super

  init: ->
    @activate()
    return

  activate: ->
    @show() if super
    return

  deactivate: ->
    @hide() if super
    return

  show: ->
    @html @tmpl("#{@type}Notice", @args...)
    @prependTo app.el
    return

  hide: ->
    $.remove @el
    return