Ext.setup({
  onReady: function() {

    var data = [{
        name: 'Joshua',
        age:3
      },{
        name: 'Matthew',
        age:2
      },{
        name: 'Solomon',
        age:0
      }
    ];

    var content = new Ext.Panel({
      tpl: [
        '<p>Kids:</p>',
        '<tpl for=".">',
        '   <p>{#}. {name}</p>',
        '</tpl>'
      ]
    });

    new Ext.Panel({
      fullscreen: true,
      items: [content]
    });

    content.update(data);

  }
});