From 8347a2de5818ecdce91b98325b3c85dda3b440fa Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20Mee=C3=9Fen?=
 <14222414+cmeessen@users.noreply.github.com>
Date: Fri, 23 Apr 2021 08:33:56 +0000
Subject: [PATCH] Allow multiple data-background

---
 js/controllers/slidecontent.js | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/js/controllers/slidecontent.js b/js/controllers/slidecontent.js
index 06cf6f1..3b3594d 100644
--- a/js/controllers/slidecontent.js
+++ b/js/controllers/slidecontent.js
@@ -102,7 +102,13 @@ export default class SlideContent {
 
 				// Images
 				if( backgroundImage ) {
-					backgroundContent.style.backgroundImage = 'url('+ encodeURI( backgroundImage ) +')';
+					let backgroundString = ''
+					backgroundImage.split(',').forEach(background => {
+						backgroundString = backgroundString.concat(
+							'url(' + encodeURI(background.trim()) + '),'
+						);
+					})
+					backgroundContent.style.backgroundImage = backgroundString.substr(0, backgroundString.length - 1);
 				}
 				// Videos
 				else if ( backgroundVideo && !this.Reveal.isSpeakerNotes() ) {