Extjs4---常见错误集合
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2024-01-22 17:55:28
1、Uncaught TypeError: Cannot read property ‘dom’ of null
原因：如果代码段没有放入Ext.onRe...
1、Uncaught TypeError: Cannot read property ‘dom’ of null
原因：如果代码段没有放入Ext.onReady中
2、Uncaught
TypeError: Cannot call method 'hasOwnProperty' of undefined
参考这篇文章：Extjs4---Uncaught
TypeError: Cannot call method 'hasOwnProperty' of undefined
3、Cannot
read property 'addCls' of null
参考文章：Extjs4---Cannot
read property 'addCls' of null
4、Uncaught
TypeError: Cannot call method 'substring' of undefined
参考文章：Extjs4---Uncaught
TypeError: Cannot call method 'substring' of undefined