🚓 Autoplay of media in background tabs is automatically suppressed. 📣 Autoplay with and without sound is allowed by default. 👩‍💻 Users have the ability to turn off all forms of auto-play, including silent videos. 🚓 Videos are prevented from auto-playing when either hidden in a background tab or otherwise off-screen. However, elements will only begin playing when visible on-screen such as when they are scrolled into the viewport, made visible through CSS, and inserted into the DOM. 👩‍💻 Users can enable autoplay with sound on a per-site basis.įrom iOS9 (released on ) and macOS High Sierra (released on ) 🚓 Sites can autoplay audibly if the user has previously granted them camera/microphone permission. 📣 Autoplay with sound is only allowed if the user has interacted with the domain (click, tap, etc.). Autoplay is allowed by default on same-origin iframes. 🚓 Top frames can delegate autoplay permission to their iframes to allow autoplay with sound. the user has added the site to their home screen (mobile).the user’s Media Engagement Index threshold has been crossed, meaning they previously played video with sound (desktop).the user has interacted with the domain (click, tap, etc.) or.Use feature policies to delegate autoplay permission to iframes.Always show media controls so that users can unmute or start the video even if it didn’t autoplay.Use the promise returned by HTMLMedia​Element​.play() to check if the play attempt succeeded or failed.
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