1. 一个点击事件报错：
代码语言：javascript复制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。
