popup-on-leaving-page-demo

How to run this demo

1. yarn install
2. yarn start

How to edit the code and test your own theory

1. yarn install
2. yarn run start-dev

There are 3 examples:

1. localhost:3000 is a traditional web page
2. localhost:3002 is SPA that allows you to play with both history blocking on a page level. It also allows you to navigate within a SPA and navigate via the tranditional web page way using window.location.href
3. localhost:3003 is a SPA with history blocking set in every page