HTMLMediaElement.msPlayToDisabled
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.
msPlayToDisabled is a read/write property which gets and
sets if the PlayTo device is enabled or disabled.
This proprietary property is specific to Internet Explorer and Microsoft Edge.
Value
Boolean value set to true indicates that the PlayTo device is disabled.
The msPlayToDisabled attribute extends the HTMLEmbedElement,
HTMLImageElement, HTMLMediaElement, and
HTMLObject interfaces.