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avoid errors in old ie from code highlighting

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This commit is contained in:
Hakim El Hattab
2013-04-28 14:12:31 -04:00
parent 78c4bf420e
commit f210e7b1b5
1 changed files with 16 additions and 10 deletions
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10
plugin/highlight/highlight.js
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@@ -1,6 +1,11 @@
// START CUSTOM REVEAL.JS INTEGRATION
(function() {
[].slice.call( document.querySelectorAll( 'pre code' ) ).forEach( function( element ) {
if( typeof window.addEventListener === 'function' ) {
var hljs_nodes = document.querySelectorAll( 'pre code' );
for( var i = 0, len = hljs_nodes.length; i < len; i++ ) {
var element = hljs_nodes[i];
// trim whitespace if data-trim attribute is present
if( element.hasAttribute( 'data-trim' ) && typeof element.innerHTML.trim === 'function' ) {
element.innerHTML = element.innerHTML.trim();
@@ -10,7 +15,8 @@
element.addEventListener( 'focusout', function( event ) {
hljs.highlightBlock( event.currentTarget );
}, false );
} );
}
}
})();
// END CUSTOM REVEAL.JS INTEGRATION