How to Detect Browser Back Button event - Cross Browser

Question

How do you definitively detect whether or not the user has pressed the back button in the browser?

How do you enforce the use of an in-page back button inside a sin

Answer 1

See this:

history.pushState(null, null, location.href);
    window.onpopstate = function () {
        history.go(1);
    };

it works fine...