To get the Upscope user ID from Javascript you can call the following function:

Upscope('getUserId', console.info);

The second argument of the function is a callback which will be called once the user id is known.

What is the Upscope user id?

The Upscope user ID uniquely identifies a browser within Upscope. To see that browser's history and initiate a screen sharing session you will need to visit https://upscope.io/w/USER_ID while being authenticated.

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