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respect original dom order of fragments with no explicit index

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This commit is contained in:
Hakim El Hattab
2013-11-21 09:22:20 -05:00
parent 2faae3d95b
commit c33aa66666
2 changed files with 13 additions and 3 deletions
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10
js/reveal.js
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@@ -1045,10 +1045,20 @@ var Reveal = (function(){
var a = toArray( fragments ); var a = toArray( fragments );
// Elements that do not have an explicit `data-fragment-index`
// are given one which matches their order in the DOM
a.forEach( function( el, idx ) {
if( !el.hasAttribute( 'data-fragment-index' ) ) {
el.setAttribute( 'data-fragment-index', idx );
}
} );
a.sort( function( l, r ) { a.sort( function( l, r ) {
return l.getAttribute( 'data-fragment-index' ) - r.getAttribute( 'data-fragment-index'); return l.getAttribute( 'data-fragment-index' ) - r.getAttribute( 'data-fragment-index');
} ); } );
// Set the indices to match the order of the sorted fragments,
// ensures that we're 0-indexed and have no gaps
a.forEach( function( el, idx ) { a.forEach( function( el, idx ) {
el.setAttribute( 'data-fragment-index', idx ); el.setAttribute( 'data-fragment-index', idx );
} ); } );

6
js/reveal.min.js vendored
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