jQuery Mobile get current page

Question

I am using jQuery Mobile 1.1.1 and Apache Cordova 2.0.0. I want my app to exit when I press back button but only if current page have ID = feedZive. I am using following code to

Answer 1

$(document).ready(function() {

//exit when back button pressed on home screen
document.addEventListener("deviceready", function() {
    document.addEventListener("backbutton", function() {
        if ($.mobile.activePage.attr('id') == "home") {
            navigator.app.exitApp();
        } else {
            navigator.app.backHistory();
        }
    }, false);
}, false);

});