From bfadfcc7ce8235ad90982aa5020731db9b2ee69c Mon Sep 17 00:00:00 2001
From: Hakim El Hattab
Date: Tue, 4 Jun 2013 19:51:06 +0200
Subject: don't transition to first slide background (#453)
---
js/reveal.js | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
(limited to 'js/reveal.js')
diff --git a/js/reveal.js b/js/reveal.js
index 7d8020f..edad911 100644
--- a/js/reveal.js
+++ b/js/reveal.js
@@ -252,6 +252,7 @@ var Reveal = (function(){
// Clear prior backgrounds
dom.background.innerHTML = '';
+ dom.background.classList.add( 'no-transition' );
// Helper method for creating a background element for the
// given slide
@@ -1463,10 +1464,13 @@ var Reveal = (function(){
}
/**
- *
+ * Updates the background elements to reflect the current
+ * slide.
*/
function updateBackground() {
+ // Update the classes of all backgrounds to match the
+ // states of their slides (past/present/future)
toArray( dom.background.childNodes ).forEach( function( backgroundh, h ) {
backgroundh.className = ( h < indexh ? 'past' : h > indexh ? 'future' : 'present' );
@@ -1479,6 +1483,11 @@ var Reveal = (function(){
} );
+ // Allow the first background to apply without transition
+ setTimeout( function() {
+ dom.background.classList.remove( 'no-transition' );
+ }, 1 );
+
}
/**
--
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