From f210e7b1b5f0dceb610cf0355b689ed6a16624e1 Mon Sep 17 00:00:00 2001
From: Hakim El Hattab <hakim.elhattab@gmail.com>
Date: Sun, 28 Apr 2013 14:12:31 -0400
Subject: [PATCH] avoid errors in old ie from code highlighting
---
plugin/highlight/highlight.js | 26 ++++++++++++++++----------
1 file changed, 16 insertions(+), 10 deletions(-)
diff --git a/plugin/highlight/highlight.js b/plugin/highlight/highlight.js
index af769db..6756359 100644
--- a/plugin/highlight/highlight.js
+++ b/plugin/highlight/highlight.js
@@ -1,16 +1,22 @@
// START CUSTOM REVEAL.JS INTEGRATION
(function() {
- [].slice.call( document.querySelectorAll( 'pre code' ) ).forEach( function( element ) {
- // trim whitespace if data-trim attribute is present
- if( element.hasAttribute( 'data-trim' ) && typeof element.innerHTML.trim === 'function' ) {
- element.innerHTML = element.innerHTML.trim();
- }
+ 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];
- // re-highlight when focus is lost (for edited code)
- element.addEventListener( 'focusout', function( event ) {
- hljs.highlightBlock( event.currentTarget );
- }, false );
- } );
+ // trim whitespace if data-trim attribute is present
+ if( element.hasAttribute( 'data-trim' ) && typeof element.innerHTML.trim === 'function' ) {
+ element.innerHTML = element.innerHTML.trim();
+ }
+
+ // re-highlight when focus is lost (for edited code)
+ element.addEventListener( 'focusout', function( event ) {
+ hljs.highlightBlock( event.currentTarget );
+ }, false );
+ }
+ }
})();
// END CUSTOM REVEAL.JS INTEGRATION
--
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