The MediaKeyMessageEvent constructor creates a new MediaKeyMessageEvent object.
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MediaKeyMessageEvent: MediaKeyMessageEvent() constructor
Syntax
js
new MediaKeyMessageEvent(type)
new MediaKeyMessageEvent(type, options)
   Parameters
- 
     
type - 
     
A string with the name of the event. It is case-sensitive and browsers always set it to
message. optionsOptional- 
     
An object that, in addition of the properties defined in
Event(), can have the following properties:- 
       
messageType - 
       
A message type that allows applications to differentiate messages without parsing them. Allowed values are:
license-request,license-renewal,license-renewal, orindividualization-request. - 
       
message - 
       
An array containing the message generated by the content decryption module.
 
 - 
       
 
Return value
A new MediaKeyMessageEvent object.
Specifications
| Specification | 
|---|
| Encrypted Media Extensions  # constructors  | 
      
Browser compatibility
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
MediaKeyMessageEvent | 
       42 | 13 | 38 | No | 29 | 12.1 | 42 | 42 | 38 | 29 | 12.2 | 4.0 | 
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 https://developer.mozilla.org/en-US/docs/Web/API/MediaKeyMessageEvent/MediaKeyMessageEvent