ext js 常见开发报错总结

Microsoft JScript 运行时错误: 'events' 为空或不是对象

 一般是 最后一个item 块的{}多了逗号

 {
                     xtype: "combo",
                     triggerAction: "all",
                     mode: "remote",
                     minChars: 1,
                     queryParam: "search",
                     forceSelection: true,
                     editable: true,
                     hiddenName: "cbSuppliersCode",
                     id: "cbIdSuppliersCode",
                     fieldLabel: "供应商代码",
                     allowBlank: false,
                     valueField: "id",
                     displayField: "value",
                     store: new Ext.data.Store({
                         proxy: new Ext.data.HttpProxy({ url: "http://www.cnblogs.com/AppHandler/Suppliers/Suppliers.ashx?Flag=comboData", method: 'POST' }), // 数据源
                         reader: new Ext.data.JsonReader({ totalProperty: "totalProperty", root: "root", fields: [{ name: 'id' }, { name: 'value'}] })// 如何解析
                     })
                 },  ///---------------- 这里多了逗号----------------------------
			]
            });