Non-standard: This feature is non-standard and is not on a standards track. Do not use it on production sites facing the Web: it will not work for every user. There may also be large incompatibilities between implementations and the behavior may change in the future.
The msGraphicsTrust() constructor returns an object that provides properties for info on protected video playback.
This proprietary method is specific to Internet Explorer and Microsoft Edge.
var trustObject = media.msGraphicsTrustStatus;
A read-only property which returns true when protected media is forced to play in a lower resolution.
A read-only property which returns an enum with the driver status when playing protected content.
The MSGraphicsTrust does not inherit from any class or interface.
var trustObject = media.msGraphicsTrustStatus;
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https://developer.mozilla.org/en-US/docs/Web/API/MSGraphicsTrust