Backbone.js child views example

project-item.js

var View = Backbone.View.extend({
    tagName: 'tr',
    template: Handlebars.compile($('#project-list-item').html()),
    events: {
        'click .delete': 'destroy'
    },

    initialize: function() {
        this.model.bind('change', this.render, this);
        this.model.bind('destroy', this.remove, this);
    },

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

        return this;
    }

    destroy: function(e) {
        if (confirm('Are you sure you want to delete this?')) {
            this.model.destroy();
        }
    },

    remove: function() {
        $(this.el).remove();
    }
});

projects.html

<script id="project-list-item" type="text/x-handlebars-template">
    <td><a class="name" href="#projects/{{_id}}/edit">{{name}}</a></td>
    <td class="operators">
        <a class="btn small delete">Delete</a>
        <a class="btn small edit" href="#projects/{{_id}}/edit">Edit</a>
    </td>
</script>

<section class="list view">
    <h1>Your projects</h1>

    <table>
        <thead>
            <tr>
                <th>Name</th>
                <th></th>
            </tr>
        </thead>
        <tbody class="container">
        </tbody>
    </table>

    <div class="actions">
        <a href="#projects/add" class="btn primary">New project</a>
        <a class="btn delete-selected">Delete selected</a>
    </div>
</section>

projects.js

var View = Backbone.View.extend({
    initialize: function() {
        this.collection.bind('add', this.add, this);
        this.collection.bind('reset', this.reset, this);
    },

    render: function() {
        _(this.collection.models).each(this.add, this);

        return this;
    },

    add: function(project) {
        var itemView = new ListItem({ model: project });
        itemViews.push(itemView);

        this.$('.container').append(itemView.render().el);
    },

    reset: function() {
        $container.empty();

        this.render();
    }
}

projects.js line 15 - itemViews isn't defined, but how would you use it?