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

In javascript, navigation type 2 means browser's back or forward button clicked and the browser is actually taking content from cache.

if(performance.navigation.type == 2)
{
    //Do your code here
}