Redirect to another url when back button is clicked using javascript

Question

I have a payment form in which user can enter all his card details,and when he clicks,he is taken to the banks 3D secure page. But,the problem is, the user can simply click

Answer 1

You can use Brooke's modified script. That's a long script (should be used as external file). You can download it here!

Then use the script like this:

bajb_backdetect.OnBack = function(){
    document.location.href = 'http://google.com';
}