MSGraphicsTrust

非标
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.

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.

句法

var trustObject = media.msGraphicsTrustStatus;
					

参数

constrictionActive
A read-only property which returns true when protected media is forced to play in a lower resolution.
status
A read-only property which returns an enum with the driver status when playing protected content.

Inheritance hierarchy

The MSGraphicsTrust does not inherit from any class or interface.

范例

var trustObject = media.msGraphicsTrustStatus;
					
  1. MSGraphicsTrust
  2. Events
    1. abort
    2. DOMContentLoaded
    3. afterprint
    4. afterscriptexecute
    5. beforeprint
    6. beforescriptexecute
    7. beforeunload
    8. blur
    9. cancel
    10. change
    11. click
    12. close
    13. connect
    14. contextmenu
    15. error
    16. focus
    17. hashchange
    18. input
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    20. languagechange
    21. load
    22. loadend
    23. loadstart
    24. message
    25. offline
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    28. pagehide
    29. pageshow
    30. popstate
    31. progress
    32. readystatechange
    33. reset
    34. select
    35. show
    36. sort
    37. storage
    38. submit
    39. toggle
    40. unload
    41. loadeddata
    42. loadedmetadata
    43. canplay
    44. playing
    45. play
    46. canplaythrough
    47. seeked
    48. seeking
    49. stalled
    50. suspend
    51. timeupdate
    52. volumechange
    53. waiting
    54. durationchange
    55. emptied
    56. unhandledrejection
    57. rejectionhandled
  3. Related pages for HTML DOM
    1. BeforeUnloadEvent
    2. DOMStringMap
    3. ErrorEvent
    4. GlobalEventHandlers
    5. HTMLAnchorElement
    6. HTMLAreaElement
    7. HTMLAudioElement
    8. HTMLBRElement
    9. HTMLBaseElement
    10. HTMLBaseFontElement
    11. HTMLBodyElement
    12. HTMLButtonElement
    13. HTMLCanvasElement
    14. HTMLContentElement
    15. HTMLDListElement
    16. HTMLDataElement
    17. HTMLDataListElement
    18. HTMLDialogElement
    19. HTMLDivElement
    20. HTMLDocument
    21. HTMLElement
    22. HTMLEmbedElement
    23. HTMLFieldSetElement
    24. HTMLFormControlsCollection
    25. HTMLFormElement
    26. HTMLFrameSetElement
    27. HTMLHRElement
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    29. HTMLHeadingElement
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    32. HTMLImageElement
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    49. HTMLOptionsCollection
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    52. HTMLParamElement
    53. HTMLPictureElement
    54. HTMLPreElement
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    56. HTMLQuoteElement
    57. HTMLScriptElement
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    59. HTMLShadowElement
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    62. HTMLStyleElement
    63. HTMLTableCaptionElement
    64. HTMLTableCellElement
    65. HTMLTableColElement
    66. HTMLTableDataCellElement
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    71. HTMLTemplateElement
    72. HTMLTextAreaElement
    73. HTMLTimeElement
    74. HTMLTitleElement
    75. HTMLTrackElement
    76. HTMLUListElement
    77. HTMLUnknownElement
    78. HTMLVideoElement
    79. HashChangeEvent
    80. History
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    82. Location
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    92. PageTransitionEvent
    93. Plugin
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    95. PopStateEvent
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    98. RadioNodeList
    99. Transferable
    100. ValidityState
    101. Window
    102. WindowBase64
    103. WindowEventHandlers