Enable AddressFinder in a Backbone View

formview.js

FormView = Backbone.View.extend({
  template: JST["form_template"],
  
  render: function() {
    $(this.el).html(this.template(this.model));
    var address_input = $("input[name='address']", this.el)[0];
    this.widget = new AddressFinder.Widget(address_input, "API_KEY");
    return this.el;
  }
  
});