The MediaKeyMessageEvent.message read-only property returns an ArrayBuffer with a message from the content decryption module. Messages vary by key system.

API EncryptedMediaExtensions Experimental MediaKeyMessageEvent message Property Reference

The MediaKeyMessageEvent.messageType read-only property indicates the type of message. It may be one of license-request, license-renewal, license-renewal, or individualization-request.

API EncryptedMediaExtensions Experimental MediaKeyMessageEvent messageType Property Reference

A MediaQueryList object maintains a list of media queries on a document, and handles sending notifications to listeners when the media queries on the document change.

API CSSOM View Experimental Interface NeedsBrowserCompatibility Reference

API Experimental Expérimental Interface Reference Référence WebRTC

Constructor Experimental Expérimental MediaStreamEvent Reference Référence WebRTC

API Experimental MouseEvent Property Read-only Reference

Returns the user's do-not-track setting. This is "1" if the user has requested not to be tracked by web sites, content, or advertising.

API DOM Experimental Expérimental Property Reference Référence

API Experimental Navigator permissions Permissions Property Reference

The NetworkInformation interface provides information about the connection a device is using to commuinicate with the network and provides a means for scripts to be notified if the connection type changes. The NetworkInformation interfaces cannot be instantiated. It is instead accessed through the connection property of the Navigator interface.

API Experimental Interface Network Information API Reference

API DOM Experimental Expérimental NodeIterator Property

API DOM Experimental Expérimental NodeIterator Property

The renotify read-only property of the Notification interface specifies whether the user should be notified after a new notification replaces an old one, as specified in the renotify option of the Notification() constructor.

API Experimental Notifications Property Reference renotify

The sticky read-only property of the Notification interface specifies whether the notification should be 'sticky' or not. When we say a notification is sticky, it means that notification is not easily clearable by the user. This is specified in the sticky option of the Notification() constructor.

API Experimental Expérimental Notifications Reference sticky

The OffscreenCanvas.getContext() method returns a drawing context for an offscreen canvas, or null if the context identifier is not supported.

API Canvas Experimental Method OffscreenCanvas Reference

The height property returns and sets the height of an OffscreenCanvas object.

API Canvas Experimental OffscreenCanvas Property Reference

The OffscreenCanvas() constructor returns a newly instantiated OffscreenCanvas object.

API Canvas Constructor Experimental OffscreenCanvas Reference WebGL

The OffscreenCanvas.toBlob() method creates a Blob object representing the image contained in the canvas.

API Canvas Experimental Method OffscreenCanvas Reference

The OffscreenCanvas.transferToImageBitmap() method creates an ImageBitmap object from the most recently rendered image of the OffscreenCanvas.

API Canvas Experimental Method OffscreenCanvas Reference

The width property returns and sets the width of an OffscreenCanvas object.

API Canvas Experimental OffscreenCanvas Property Reference

The ParentNode.prepend method inserts a set of Node objects or DOMString objects before the first child of the ParentNode. DOMString objects are inserted as equivalent Text nodes.

API DOM Experimental Method Node Reference