Handle data in jquery mobile?

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Mobile

jQuery

I am creating a mobile app using jquery mobile is how to manage students and update events in my class.
So I created 3 pages:

- page 1: has "user", "password" textinput and "login" button
- page 2: has "delete" and "add student" button. If I tap on "add student" button, there is a form with "name", "birthday", "cellphone number", "facebook" name for user fill out and 2 buttons: "save", "edit".
- page 3: a form with image and name, birthday, cellphone, facebook name above in page 2.


+ issue 1: I get stuck in page 1 is how I store data when I log in with my "user" and "password". It knows which is right or wrong account to access the next page 2.
+ issue 2: If I can login with my "user" and "password" then how I store data about "user", "password", "cellphone number", "facebook name" in which way to retrieve information when I using filter.

Thanks in advance!