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

Both of this solutions are good but I needed to put it inside document.ready(function()

$(document).ready(function(){
var activePage = $.mobile.activePage[0].id;
alert(activePage);
});