Backbone class declaration

backbone_class.coffee

window.TodoView = Backbone.View.extend
  tagName:  "li"
  template: _.template($('#item-template').html())
  events:
    "click .check"              : "toggleDone",
    "dblclick div.todo-content" : "edit",
    "click span.todo-destroy"   : "clear",
    "keypress .todo-input"      : "updateOnEnter"