Javascript sdk - Authentification login required on each page

Hi Jeffrey
Still working on my issue
as i understand I need to use session token header :ok

just for your understanding i will have a Login page
and after, different page using sdk (with same DSP app)

so my question(s) is (as i’m quite new with dev)
ok i store response.session_id as new ApiKeyAuthorization, like the example in the SDL or JqueryTODO app.
when i jump to my 2nd page how can i use my response.session_id / ApiKeyAuthorization

thanks very much for helping,

Ps: my DSP is on a Bitnami VM

regards
julien