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.
ptr = object.msPlayToDisabled;
Boolean value set to true indicates that the PlayTo device is disabled.
msPlayToDisabled attribute extends the