quieten MathJax

qt/aqt/data/web/js/mathjax.js

@@ -1,28 +1,27 @@
 window.MathJax = {
-    tex: {
-        displayMath: [["\\[", "\\]"]],
-        processRefs: false,
-        processEnvironments: false,
-        packages: {
-            "[+]": ["noerrors", "mhchem"],
-        },
+  tex: {
+    displayMath: [["\\[", "\\]"]],
+    processRefs: false,
+    processEnvironments: false,
+    packages: {
+      "[+]": ["noerrors", "mhchem"],
     },
-    startup: {
-        typeset: false,
-        pageReady: () => {
-            console.log("page is ready");
-            return MathJax.startup.defaultPageReady();
-        },
+  },
+  startup: {
+    typeset: false,
+    pageReady: () => {
+      return MathJax.startup.defaultPageReady();
     },
-    options: {
-        renderActions: {
-            addMenu: [],
-            checkLoading: [],
-        },
-        ignoreHtmlClass: "tex2jax_ignore",
-        processHtmlClass: "tex2jax_process",
-    },
-    loader: {
-        load: ["[tex]/noerrors", "[tex]/mhchem"],
+  },
+  options: {
+    renderActions: {
+      addMenu: [],
+      checkLoading: [],
     },
+    ignoreHtmlClass: "tex2jax_ignore",
+    processHtmlClass: "tex2jax_process",
+  },
+  loader: {
+    load: ["[tex]/noerrors", "[tex]/mhchem"],
+  },
 };

qt/aqt/webview.py

@@ -90,6 +90,9 @@ class AnkiWebPage(QWebEnginePage):
         buf = "JS %(t)s %(f)s:%(a)d %(b)s" % dict(
             t=level, a=line, f=srcID, b=msg + "\n"
         )
+        if "MathJax localStorage" in buf:
+            # silence localStorage noise
+            return
         # ensure we don't try to write characters the terminal can't handle
         buf = buf.encode(sys.stdout.encoding, "backslashreplace").decode(
             sys.stdout.encoding