Backbone with events definitions

Define events in Backbone View

HTML

<script src="http://ajax.googleapis.com/ajax/libs/jquery/2.0.3/jquery.min.js"></script>
<script src="http://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.5.2/underscore-min.js"></script>
<script src="http://cdnjs.cloudflare.com/ajax/libs/backbone.js/1.0.0/backbone-min.js"></script>
<div id="container"></div>
<br/>Button not from Backbone: <button id="btn3">Button2</button>
<script type="text/template" id="my_template">
    <input id="name" >
    <button id="btn1" data-id="123465">Button5</button>
</script>

CSS

#container {
    color: red;
    font-size: 26px;
}

JavaScript

var AppView = Backbone.View.extend({
    el: '#container',
    initialize: function(options) {
        this.render();
    },
    render: function() {
        var template = _.template($("#my_template").html());
        this.$el.html(template);
    },
    events: {
        "click button": "event_handler",
        "blur #name": "event_handler"
    },
    event_handler: function( event ){
        alert(event.target);
    }
});

var appView = new AppView();