Re: [w3ctag/design-reviews] WebRTC-SVC (Scalable Video Coding) (#396)

> Implementations throw if they encounter values of scalabilityMode that they don't support (even if they are valid values).

This is fine, the curiosity was around the choice of a string over an enum, because it seems like the intent is to use a value from a predefined set, which is exactly what a string enum is for.

Is there something in this use case that was not possible with a string enum? (In which case, it might be something that should be addressed in WebIDL.)


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