when I was creating the exam. The start time can be earlier or later than the current time, but if the start time is later than the end time, I should prompt "the start time cannot be later than the end time". If the start time is earlier than the current time, I should be prompted "the start time cannot be earlier than the current time". Please give me a judgment.
since you know the logic, why not write it yourself? this can circumvent dizziness, so you should exercise your logical thinking
I am a diglog pop-up window, in which the form needs to be verified, but there are three items of input phone, mailbox, landline. You can fill in only one of these three items. How to write verification rules. the concrete picture is shown below. I...
the problem encountered now: in a form, there are An and B select drop-down boxes. When A drop-down box contains a specific value, B drop-down box is required, otherwise it is optional. I tried to write this in rules: rules:{ overseasSt...