diff options
Diffstat (limited to 'js/reveal.js')
| -rw-r--r-- | js/reveal.js | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/js/reveal.js b/js/reveal.js index fce3dbc..da806fc 100644 --- a/js/reveal.js +++ b/js/reveal.js @@ -4751,6 +4751,8 @@ if( fragments.length ) { + var maxIndex = 0; + if( typeof index !== 'number' ) { var currentFragment = sortFragments( currentSlide.querySelectorAll( '.fragment.visible' ) ).pop(); if( currentFragment ) { @@ -4764,6 +4766,8 @@ i = parseInt( el.getAttribute( 'data-fragment-index' ), 10 ); } + maxIndex = Math.max( maxIndex, i ); + // Visible fragments if( i <= index ) { if( !el.classList.contains( 'visible' ) ) changedFragments.shown.push( el ); @@ -4787,6 +4791,13 @@ } ); + // Write the current fragment index to the slide <section>. + // This can be used by end users to apply styles based on + // the current fragment index. + index = typeof index === 'number' ? index : -1; + index = Math.max( Math.min( index, maxIndex ), -1 ); + currentSlide.setAttribute( 'data-fragment', index ); + } } |