srcminiBackbone.js undeligateEvent方法用于从DOM中删除视图的委托事件。
句法：
delegateEvents()让我们举个例子。
请参阅以下示例：
<!DOCTYPE html>
<head>
<title>View Example</title>
<script src="https://code.jquery.com/jquery-2.1.3.min.js" type="text/javascript"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.8.2/underscore-min.js" type="text/javascript"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/backbone.js/1.1.2/backbone-min.js" type="text/javascript"></script>
</head>
<body>
<div id="mydiv"></div>
<script type="text/javascript">
var ViewDemo = Backbone.View.extend({
events: {'click button': 'undelegateFunc'}, undelegateFunc: function () {
document.write("Do something to undelegate...");
$(this.el).undelegate('button', 'click');
}, render: function () {
this.$el.html('<button>Click to undelegate</button>');
}, initialize:function(){this.render();}
});
var myview = new ViewDemo({el: '#mydiv'});
</script>
</body>
</html>输出：
将以上代码保存在undeligate.html文件中，然后在新的浏览器中打开此文件。
单击后，你将得到以下结果：
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