problem description
this is the sample address
Click the data A drop-down, the drop-down data will appear, then randomly select one, finally click cancel,
then click the data B drop-down, there will be no data, and then enter a B or casually enter the text and delete it, you can display the data of the drop-down B
the environmental background of the problems and what methods you have tried
vue2+iview
related codes
/ / Please paste the code text below (do not replace the code with pictures)
what result do you expect? What is the error message actually seen?
after switching, there is no direct drop-down to display the data of B