前些天发现了一个巨牛的人工智能学习网站，通俗易懂，风趣幽默，忍不住分享一下给大家。点击跳转到教程。

1. 一个点击事件报错：

Property or method "deleteFun" is not defined on the instance but referenced during render. Make sure that this property is reactive, either in the data option, or for class-based components, by initializing the property

2. 报错原因：这个方法未定义。我以为是写在methods中的，其实不是。我原写法：

 

3.解决：改正图中红框中位置代码。

这样就可以了。