My Backbone Base View (adds a few extra handy methods to Backbone.View) Notes: 1. I always use parentheses 2. I always include `return` except: * When returning `this` at the end of the method * When the method is a single line (in which case I like to put it in-line with the method name) 3. I tend to overuse fat-arrows. I'm totally aware of thi…

base_view.js.coffee

class CP.Views.BaseView extends Backbone.View

  # Methods for showing and hiding the view

  show: () =>
    @$el.show()
    @

  hide: () =>
    @$el.hide()
    @

  toggle: (show) =>
    @$el.toggle.apply(@$el, arguments)
    @

  # Be sure to call `super()` in all subclasses' `unload` method
  unload: () =>
    @off()
    @undelegateEvents()
    @

  # Methods for testing visibility and presence in Dom

  # Thanks to SLaks (http://stackoverflow.com/a/3086084/456188) for the fastest way to do this.
  inDom: () => $.contains(document.documentElement, @el)

  isVisible: () => @$el.is(":visible")

  onScreen: () => @inDom() and @isVisible()

Note that I recently switched to overriding the 'remove' method rather than using unload