The example below shows how you pass the mediaelement string to get the autoplay policy for all media elements in the document (pass audiocontext to get the policy for audio contexts). all media elements, or all audio contexts) in a document, or to check whether a specific media element or audio context can autoplay. The Navigator.getAutoplayPolicy() method can be used to check the autoplay policy for a type of media feature (i.e.
Similarly, if you know that autoplay is not allowed at all, you might provide a default image for the video (using the poster attribute), or choose to defer loading the video until it is requested. If autoplay is important for your application, you may need to customize behavior based on whether or not autoplay is allowed, disallowed, or only supported for inaudible content.įor example, if your application needs to autoplay a video and you know that the page only allows the autoplay of inaudible content, you can either mute it or supply a video with no audio track.
Example 2: Detecting whether autoplay is allowed
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