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MediaKeys.getStatusForPolicy() docs #34236

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MediaKeys.getStatusForPolicy() docs #34236

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MediaKeys.getStatusForPolicy() - document
hamishwillee Jun 18, 2024
54fccc6
Make it clear that the method isn't a check against a real key
hamishwillee Jun 18, 2024
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Make it clear that the method isn't a check against a real key
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@hamishwillee
hamishwillee committed Jun 18, 2024
commit 54fccc64f16d2d4c3e6287a046fc6adb8bce274d
3 changes: 3 additions & 0 deletions files/en-us/web/api/mediakeys/getstatusforpolicy/index.md
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Expand Up @@ -16,6 +16,9 @@ Other values indicate reasons why the keys cannot be used for presenting the con

The policy restrictions currently only include a restriction on the minimum supported HDCP version.

Note that the method checks a "hypothetical key" against the restrictions.
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FYI, this, and the example, are a modified form of stuff from https://developer.chrome.com/blog/media-updates-in-chrome-69/
It's much the same API repackaged in a new standard.
The point here is that this is an easy way of checking whether the key can be used, without having to get a key.

The application does not need to first create a real key and fetch a real license using {{domxref("MediaKeySession")}}, and the {{domxref("MediaKeys")}} doesn't even have to be attached to audio or video elements.

## Syntax

```js-nolint
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5 changes: 3 additions & 2 deletions files/en-us/web/api/mediakeysystemaccess/keysystem/index.md
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Expand Up @@ -8,8 +8,9 @@ browser-compat: api.MediaKeySystemAccess.keySystem

{{APIRef("Encrypted Media Extensions")}}{{SecureContext_Header}}

The `MediaKeySystemAccess.keySystem` read-only property returns a
string identifying the key system being used.
The **`keySystem`** read-only property of the {{domxref("MediaKeySystemAccess")}} interface returns a string identifying the key system being used.

This is the value that was passed to {{domxref("Navigator.requestMediaKeySystemAccess()")}} when system access is requested.
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Just did this update in passing.


## Value

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