It was restricted by «Autoplay Policy Changes»: https://developers.google.com/web/updates/2017/09/autoplay-policy-changes#iframe  | 
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| .. | ||
| reveal.js | ||
				It was restricted by «Autoplay Policy Changes»: https://developers.google.com/web/updates/2017/09/autoplay-policy-changes#iframe  | 
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|---|---|---|
| .. | ||
| reveal.js | ||