MenuController when openPage everytime to create

Ionic Framework ionic-v3
1

I want to use MenuController to Nav. likes Demo. I have 3 pages.

But, I found, to create every time they switch page.I hope they can be reused.

so，Is there any way to solve ？

2

You might wanna spend some time to explain yourself better. No one is gonna be able to help you if you asks such unclear questions.

3

so sorry. my english is no good …
like this demo for sidemenu. when you openpage 「Getting Started」, and openpage 「List」. again open「Getting Started」. The 「Getting Started」be created again . so i want ask Is there any way to make repeated use page.

Anyway, thank you for your reply.