suzanne.soy/scribble-mathjax
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Fix a problem with IE when parentNode is null.

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Apparently IE removes empty text nodes, and so the open.parentNode can
be null.  So check before trying to remove the node.  This resolves
the issue raised by
https://sourceforge.net/projects/mathjax/forums/forum/948700/topic/3902096
This commit is contained in:
Davide P. Cervone 2010-10-20 22:46:30 -04:00
parent c35cfc9e9f
commit 266328ebca
1 changed files with 1 additions and 1 deletions
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2
mathjax/unpacked/extensions/tex2jax.js
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@ -210,7 +210,7 @@ MathJax.Extension.tex2jax = {
if (element === search.close) {element = close}
search.close = close;
var math = search.open.splitText(search.opos);
if (search.open.nodeValue === "") {search.open.parentNode.removeChild(search.open)}
if (search.open.nodeValue === "" && search.open.parentNode) {search.open.parentNode.removeChild(search.open)}
while (math.nextSibling && math.nextSibling !== close) {
if (math.nextSibling.nodeValue !== null) {
if (math.nextSibling.nodeName === "#comment") {