logged in Javascript

Content

Hello

With javascript code, how can I detect if a session was started (logged in) from the customer portal, I found an "isLoggedIn" function but I can not understand how it works.

http://documentation.custhelp.com/euf/assets/devdocs/may2017/cp_resources/api/symbols/src/_home_rlund_src_fixes_scripts_cp_webfiles_core_debug-js_RightNow.js.html

or some other way that you can support me.

Thank you.

Regards.