How to access the second page and put code there

Question

I'm not far into web design but I need help with accessing the second page to my game to put code there and make it work

Answer 1

For such as questions will be an example needed. In general, this works
window.location.href='http://second.htm'

Answer 2

This will help you:

https://sololearn.com/compiler-playground/WJubJO1O04QL/?ref=app

Answer 3

One way to do it is to create divs. Then in CSS you can hide the divs that you don't want to see until you need them.

https://sololearn.com/compiler-playground/Wu2VY5UCsVEc/?ref=app