Turn of the Transient User Activation feature of Firefox
Can firefox be configured in the preferences or through the flags not to use the Transient User Activation feature?
I need to call getDisplayMedia() API in the window.load() event from some machines that are owned by me. However, due to the above feature, all similar apis are getting blocked.
Solution
I believe it is not possible to turn this feature off. Note that the Firefox behavior is following what the current web specification says:
If the relevant global object of this does not have transient activation, return a promise rejected with a DOMException object whose name attribute has the value InvalidStateError.
You can expect other browsers to follow this "recent" spec behavior change.
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