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@@ -228,6 +228,12 @@ Reveal.initialize({
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// Flags if speaker notes should be visible to all viewers
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showNotes: false,
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+ // Global override for autolaying embedded media (video/audio/iframe)
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+ // - null: Media will only autoplay if data-autoplay is present
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+ // - true: All media will autoplay, regardless of individual setting
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+ // - false: No media will autoplay, regardless of individual setting
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+ autoPlayMedia: null,
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+
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// Number of milliseconds between automatically proceeding to the
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// next slide, disabled when set to 0, this value can be overwritten
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// by using a data-autoslide attribute on your slides
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@@ -789,20 +795,26 @@ Reveal.addEventListener( 'overviewhidden', function( event ) { /* ... */ } );
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Reveal.toggleOverview();
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```
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+
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### Fullscreen mode
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Just press »F« on your keyboard to show your presentation in fullscreen mode. Press the »ESC« key to exit fullscreen mode.
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### Embedded media
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-Embedded HTML5 `<video>`/`<audio>` and YouTube iframes are automatically paused when you navigate away from a slide. This can be disabled by decorating your element with a `data-ignore` attribute.
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-
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Add `data-autoplay` to your media element if you want it to automatically start playing when the slide is shown:
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```html
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<video data-autoplay src="http://clips.vorwaerts-gmbh.de/big_buck_bunny.mp4"></video>
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```
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-Additionally the framework automatically pushes two [post messages](https://developer.mozilla.org/en-US/docs/Web/API/Window.postMessage) to all iframes, ```slide:start``` when the slide containing the iframe is made visible and ```slide:stop``` when it is hidden.
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+If you want to enable or disable autoplay globally, for all embedded media, you can use the `autoPlayMedia` configuration option. If you set this to `true` ALL media will autoplay regardless of individual `data-autoplay` attributes. If you initialize with `autoPlayMedia: false` NO media will autoplay.
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+
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+Note that embedded HTML5 `<video>`/`<audio>` and YouTube/Vimeo iframes are automatically paused when you navigate away from a slide. This can be disabled by decorating your element with a `data-ignore` attribute.
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+
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+
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+### Embedded iframes
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+
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+reveal.js automatically pushes two [post messages](https://developer.mozilla.org/en-US/docs/Web/API/Window.postMessage) to embedded iframes. ```slide:start``` when the slide containing the iframe is made visible and ```slide:stop``` when it is hidden.
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### Stretching elements
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