Added option to loop background videos

README.md

@@ -427,8 +427,8 @@ Slides are contained within a limited portion of the screen by default to allow
 <section data-background="http://example.com/image.png" data-background-size="100px" data-background-repeat="repeat">
 	<h2>This background image will be sized to 100px and repeated.</h2>
 </section>
-<section data-background-video="https://s3.amazonaws.com/static.slid.es/site/homepage/v1/homepage-video-editor.mp4,https://s3.amazonaws.com/static.slid.es/site/homepage/v1/homepage-video-editor.webm">
-	<h2>Video. Multiple sources can be defined using a comma separated list.</h2>
+<section data-background-video="https://s3.amazonaws.com/static.slid.es/site/homepage/v1/homepage-video-editor.mp4,https://s3.amazonaws.com/static.slid.es/site/homepage/v1/homepage-video-editor.webm" data-background-video-loop>
+	<h2>Video. Multiple sources can be defined using a comma separated list. Video will loop when the data-background-video-loop attribute is provided.</h2>
 </section>
 <section data-background-iframe="https://slides.com">
 	<h2>Embeds a web page as a background. Note that the page won't be interactive.</h2>

js/reveal.js

@@ -2590,6 +2590,7 @@
 
 				var backgroundImage = slide.getAttribute( 'data-background-image' ),
 					backgroundVideo = slide.getAttribute( 'data-background-video' ),
+					backgroundVideoLoop = slide.hasAttribute( 'data-background-video-loop' ),
 					backgroundIframe = slide.getAttribute( 'data-background-iframe' );
 
 				// Images
@@ -2599,6 +2600,9 @@
 				// Videos
 				else if ( backgroundVideo && !isSpeakerNotes() ) {
 					var video = document.createElement( 'video' );
+					if ( backgroundVideoLoop ) {
+						video.setAttribute( 'loop', '' );
+					}
 
 					// Support comma separated lists of video sources
 					backgroundVideo.split( ',' ).forEach( function( source ) {