Bootstrap Typeahead + Backbone.js

gistfile1.coffee

class TypeaheadView extends Backbone.View
    tagName: 'input'
    initialize: (@options) ->
        @source = options.source if options.source?
        @

    # Retrieves the Backbone Model that matches this view's value
    # Will have problems if you have multiple Models with the same attribute that
    # you are using as the typeahead's source.
    getModel: () ->
        # value of the input field
        value = @$el.val()
        @collection.find (model) =>
            source = model.get @source
            source is value

    # Render the input and call Bootstrap's .typeahead() plugin
    render: ->
        options = _.extend @options, source: @collection.pluck @source
        @$el.typeahead options
        @