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null check parentNode in case slide has been detached

Hakim El Hattab 12 年之前
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d9371e21a0
共有 2 个文件被更改,包括 2 次插入2 次删除
  1. 1 1
      js/reveal.js
  2. 1 1
      js/reveal.min.js

+ 1 - 1
js/reveal.js

@@ -749,7 +749,7 @@ var Reveal = (function(){
 
 		// If we were on a vertical stack, remember what vertical index 
 		// it was on so we can resume at the same position when returning
-		if( previousSlide && previousSlide.parentNode.classList.contains( 'stack' ) ) {
+		if( previousSlide && previousSlide.parentNode && previousSlide.parentNode.classList.contains( 'stack' ) ) {
 			setPreviousVerticalIndex( previousSlide.parentNode, indexv );
 		}
 

文件差异内容过多而无法显示
+ 1 - 1
js/reveal.min.js


部分文件因为文件数量过多而无法显示