Preface:
TypeError: Cannot read property ‘RcA1’ of undefined “TypeError: Cannot read property ‘RcA1’ of undefined
Explanation:
TypeError: cannot read undefined RcA1. When the template reads the attribute value of an object in the object, the object does not exist, which is commonly referred to as the expression B.C. If the object C is not found in the object B, then the value in the object B.C will automatically be reported as an error.
The reason:
Solution:
In the end, I added a v-if condition to the above div. If Result is empty, I will not load the div. (Please note that you can’t use v-show. V-show is used to determine whether to display it according to the condition after loading.)