suzanne.soy/scribble-mathjax
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Fix use of HTMLCollections to work with IE8 (grrr!)

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This commit is contained in:
Davide P. Cervone 2014-08-22 14:17:55 -04:00
parent 60f197f16c
commit a56931fff2
1 changed files with 23 additions and 4 deletions
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27
unpacked/MathJax.js
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@ -2359,7 +2359,7 @@ MathJax.Hub = {
if (callback == null && (element instanceof Array || typeof element === 'function'))
{try {MathJax.Callback(element); callback = element; element = null} catch(e) {}}
if (element == null) {element = this.config.elements || []}
if (element instanceof HTMLCollection) {element = [].slice.apply(element)}
if (this.isHTMLCollection(element)) {element = this.HTMLCollection2Array(element)}
if (!(element instanceof Array)) {element = [element]}
element = [].concat(element); // make a copy so the original isn't changed
for (var i = 0, m = element.length; i < m; i++)
@ -2375,8 +2375,8 @@ MathJax.Hub = {
},
elementScripts: function (element) {
if (element instanceof Array || element instanceof HTMLCollection) {
var scripts = [];
var scripts = [];
if (element instanceof Array || this.isHTMLCollection(element)) {
for (var i = 0, m = element.length; i < m; i++)
{scripts.push.apply(scripts,this.elementScripts(element[i]))}
return scripts;
@ -2385,7 +2385,25 @@ MathJax.Hub = {
if (!document.body) {document.body = document.getElementsByTagName("body")[0]}
if (element == null) {element = document.body}
if (element.tagName != null && element.tagName.toLowerCase() === "script") {return [element]}
return element.getElementsByTagName("script");
scripts = element.getElementsByTagName("script");
if (this.msieHTMLCollectionBug) {scripts = this.HTMLCollection2Array(scripts)}
return scripts;
},
//
// IE8 fails to check "obj instanceof HTMLCollection" for some values of obj.
//
isHTMLCollection: function (obj) {
return (typeof(obj) === "object" && obj instanceof HTMLCollection);
},
//
// IE8 doesn't deal with HTMLCollection as an array, so convert to array
//
HTMLCollection2Array: function (nodes) {
if (!this.msieHTMLCollectionBug) {return [].slice.call(nodes)}
var NODES = [];
for (var i = 0, m = nodes.length; i < m; i++) {NODES[i] = nodes[i]}
return NODES;
},
Insert: function (dst,src) {
@ -3118,6 +3136,7 @@ MathJax.Hub.Startup = {
MSIE: function (browser) {
browser.isIE9 = !!(document.documentMode && (window.performance || window.msPerformance));
MathJax.HTML.setScriptBug = !browser.isIE9 || document.documentMode < 9;
MathJax.Hub.msieHTMLCollectionBug = (document.documentMode < 9);
//
// MathPlayer doesn't function properly in IE10, and not at all in IE11,
// so don't even try to load it.