WARNING: This sample is full client side for the sake of learning and easy testing.
NEVER USE SECRETS CLIENT SIDE IN PRODUCTION

This single page is doing the following:

• UI to input Tableau connected apps information (app ID, app Secret ID, app Secret, URL of the dash)
• Generate a JWT
• Open the dashboard using this JWT

All in one static page to test easily and quickly Tableau Connected Apps:

https://help.tableau.com/current/online/en-us/connected_apps.htm

Enjoy !!

This is NOT a Tableau supported tool
Despite efforts to write good and useful code there may be bugs 
that cause unexpected and undesirable behavior.
The software is strictly “use at your own risk”.