backbone-destroy-view.js

var app = app || { views: {} };

app.views.MyView = Backbone.View.extend({

  initialize: function() {
    app.events.bind("some-event", this.render, this);
  },

  events: {
    "click .reload": "render"
  },

  render: function() {
    this.$el.html(this.template(this.model.toJSON()));
  },

  destroy: function() {
    // Unbind the custom events
    app.events.unbind("some-event", this.render);
  }

});

var myView = new app.views.MyView();

// Cleanup the view safely
myView.destroy();
myView.remove();