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only use nodeType 1 and 3 (only relevant types)

Maarten Schroeven 8 years ago
parent
commit
7e99626b14
1 changed files with 1 additions and 1 deletions
  1. 1 1
      js/reveal.js

+ 1 - 1
js/reveal.js

@@ -558,7 +558,7 @@
 		var text = "";
 		if(node.nodeType === 3) { //text node
 			text += node.textContent;
-		}else {
+		}else if (node.nodeType === 1) { //element node
 			var isAriaHidden = node.getAttribute('aria-hidden');
 			var isDisplayHidden = window.getComputedStyle(node)['display'] === 'none';
 			if (isAriaHidden !== 'true' && !isDisplayHidden) {