[main.js] getHTML: add aria-label to correct childnode

Resolves #289
mathjax · Feb 8, 2017 · 14c33c2 · 14c33c2
1 parent 5bb9b98
commit 14c33c2
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Showing 2 changed files with 17 additions and 1 deletion.
diff --git a/lib/main.js b/lib/main.js
@@ -571,7 +571,7 @@ function GetHTML(result) {
   if (data.speakText){
     for (var i=0, m=html.childNodes.length; i < m; i++)
       html.childNodes[i].setAttribute("aria-hidden",true);
-    if (!html.getAttribute("aria-label")) html.setAttribute("aria-label",result.speakText);
+    if (!html.firstChild.getAttribute("aria-label")) html.firstChild.setAttribute("aria-label",result.speakText);
   }
   // remove automatically generated IDs
   var ids = html.querySelectorAll('[id^="MJXc-Node-"]');

diff --git a/test/issue289.js b/test/issue289.js
@@ -0,0 +1,16 @@
+var tape = require('tape');
+var mjAPI = require("../lib/main.js");
+
+tape('mmlNode should not produce mml', function(t) {
+    t.plan(1);
+    mjAPI.start();
+    var mml = '<math alttext="0"><mn>1</mn></math>';
+
+    mjAPI.typeset({
+        math: mml,
+        format: "MathML",
+        htmlNode: true
+    }, function(data) {
+        t.equal(data.htmlNode.parentNode.querySelectorAll('[aria-label]').length, 1, 'Aria-label is unique');
+    });
+});