title: iframe prevent parent back button angular8
body: <p>we have website that on click load games in iframe, and on the back button my url changes and the game is closed. Recently I notice that on some games back button don't work, after clicking back button it flash on second and noting happens url stay the same. I tried to cache back button event but it's never triggered. We use Angular8. If anybody have idea what is happening please help?</p>