fix 'fragments' config option (#849)

js/reveal.js

@@ -607,6 +607,14 @@ var Reveal = (function(){
 			autoSlidePaused = false;
 		}
 
+		// When fragments are turned off they should be visible
+		if( config.fragments === false ) {
+			toArray( dom.slides.querySelectorAll( '.fragment' ) ).forEach( function( element ) {
+				element.classList.add( 'visible' );
+				element.classList.remove( 'current-fragment' );
+			} );
+		}
+
 		// Load the theme in the config, if it's not already loaded
 		if( config.theme && dom.theme ) {
 			var themeURL = dom.theme.getAttribute( 'href' );
@@ -1768,6 +1776,7 @@ var Reveal = (function(){
 					// Any element previous to index is given the 'past' class
 					element.classList.add( reverse ? 'future' : 'past' );
 
+					if( config.fragments ) {
 						var pastFragments = toArray( element.querySelectorAll( '.fragment' ) );
 
 						// Show all fragments on prior slides
@@ -1777,10 +1786,12 @@ var Reveal = (function(){
 							pastFragment.classList.remove( 'current-fragment' );
 						}
 					}
+				}
 				else if( i > index ) {
 					// Any element subsequent to index is given the 'future' class
 					element.classList.add( reverse ? 'past' : 'future' );
 
+					if( config.fragments ) {
 						var futureFragments = toArray( element.querySelectorAll( '.fragment.visible' ) );
 
 						// No fragments in future slides should be visible ahead of time
@@ -1790,6 +1801,7 @@ var Reveal = (function(){
 							futureFragment.classList.remove( 'current-fragment' );
 						}
 					}
+				}
 
 				// If this element contains vertical slides
 				if( element.querySelector( 'section' ) ) {