php – Actvar NAV TAB bootstrap after registering the registry

Friends hello everyone;

My question is this: I have a NAV-TAB in the bootstrap, but after I inserted itEnter the description of the image here A record in MySQL, how could that be done? I know I should use javascritp, but I really have no idea where to start. Annex image … I do not attach any code because I do not know what code to put.