How to make it so that when you click on "enable" the text changes to "off", and vice versa?

Question

Bootstrap

Hello! I can not understand. I have such a task: When you click on "enable" the text should change to "off", and vice versa. Help me please.

Answer 1

$('.bla').on('click', function(){
    $(this).text(function(i,text) {
        return text === "Выключить" ? "Включить" : "Выключить";
    });
});