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<!DOCTYPE html>
<html>
<head>
<title>ExtJs</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<link rel="stylesheet" type="text/css" href="ExtJs/packages/ext-theme-crisp/build/resources/ext-theme-crisp-all.css">
<script type="text/javascript" src="ExtJs/ext-all.js"></script>
<script type="text/javascript" src="ExtJs/bootstrap.js"></script>
<script type="text/javascript" src="ExtJs/packages/ext-theme-crisp/build/ext-theme-crisp.js"></script>
</head>
<body>
<script type="text/javascript">
Ext.onReady(function() { var item = new Ext.util.MixedCollection();
item.on('add', function(index, o, key){
Ext.Msg.alert('notice', '当前有对象加入，加入后的index是：' + index + '该对象的name是： ' +
o.name + '加入对应的key是：' + key);
});
item.add('obj2key', {name: 'nobj2name'});
});</script>
</body>
</html>
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