[html5] omit credentials flag

[Schalk Neethling]

Greetings All,

I am studying the HTML, CSS and JS specs and I ran into this interesting
attribute of the video element that I am trying to understand. The
attribute in question is the crossorigin attribute.

So, the value of this is stated to be a CORS settings attribute. Looking at
the definition for the latter it states that it can be one of two values
anonymous or use-credentials which in turn sets, or does not set, the omit
credentials flag.

What exactly does the omit credentials flag mean and, do I understand
correctly that you can restrict access to the video element from CORS
requests but setting the crossorigin attribute to use-credentials?

Thank you in advance for any and all assistance.

-- 
Kind Regards,
Schalk Neethling
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