CODE EXAMPLE FOR JAVASCRIPT

pushReplacement Method

The Easy Trick is to use the Navigator.pushReplacement method

Page 1

Navigator.pushReplacement(
  context,
  MaterialPageRoute(
    builder: (context) => Page2(),
  ),
);

Page 2

Navigator.pushReplacement(
  context,
  MaterialPageRoute(
    builder: (context) => Page1(),
  ),
);