Hi! GrowthBook 😊 I have a question that came up during the experiment. I would appreciate it if you could provide a response. By what standard are users assigned GrowthBook default id attributes such as id (used for targeting) and anonymous_id / user_id (can be seen as identifier types or when assigning variations)? For instance, are these attributes based on a cookie or something else?

Which SDK are you using?

I'm using the JavaScript SDK

if you use the HTML SDK, we create that ID automatically if you don't specify one. The JS SDK requires you to set the ID you want to assign on