Good day! i've been trying how to figure it out this problem. i have this two dropdown its the select state and select city i have a condition that if the first dropdown is displaying select state the 2nd dropdrown will enable. but the problem comes when i tried bringing it back to select state the 2nd dropdown will not be disabled. how can i do it disabling dynamically?

and my last problem is i have a dynamic changes of dropdown where when i choose a state designated cities wil ldisplay to it. but the problem is when i bring it back the 2nd dropdown wont change. how can i achieve this? thanks so much for those who help me a dumb one like me