From b72bee32197ffa62ecd9f46512a977b67cab7473 Mon Sep 17 00:00:00 2001 From: Hakim El Hattab Date: Sat, 24 Mar 2012 12:27:25 -0400 Subject: [PATCH] don't overwrite existing classes on slides (closes #23) --- js/reveal.js | 15 ++++++++++----- 1 file changed, 10 insertions(+), 5 deletions(-) diff --git a/js/reveal.js b/js/reveal.js index 736545c6..ba2cfd5e 100644 --- a/js/reveal.js +++ b/js/reveal.js @@ -428,8 +428,6 @@ var Reveal = (function(){ if( slides.length ) { // Enforce max and minimum index bounds index = Math.max(Math.min(index, slides.length - 1), 0); - - slides[index].className = 'present'; for( var i = 0; i < slides.length; i++ ) { var slide = slides[i]; @@ -440,20 +438,27 @@ var Reveal = (function(){ slide.style.display = Math.abs( index - i ) > 3 ? 'none' : 'block'; } + slides[i].classList.remove( 'past' ); + slides[i].classList.remove( 'present' ); + slides[i].classList.remove( 'future' ); + if( i < index ) { // Any element previous to index is given the 'past' class - slide.className = 'past'; + slides[i].classList.add( 'past' ); } else if( i > index ) { // Any element subsequent to index is given the 'future' class - slide.className = 'future'; + slides[i].classList.add( 'future' ); } // If this element contains vertical slides if( slide.querySelector( 'section' ) ) { - slide.classList.add( 'stack' ); + slides[i].classList.add( 'stack' ); } } + + // Mark the current slide as present + slides[index].classList.add( 'present' ); } else { // Since there are no slides we can't be anywhere beyond the