The Tor Browser: xpcom/string/crashtests/395651-1.html@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 <html>

     2 <head>

     3 <script>

     5 function X() { dump("X\n"); }

     6 function Y() { dump("Y\n"); }

     8 function boom()

9 {

    10   dump("Start9\n");

    12   var div = document.getElementById("v");

    14   var textNode = document.createTextNode(String.fromCharCode(0xDAAF)); // high surrogate

    15   div.appendChild(textNode);

    17   document.addEventListener("DOMCharacterDataModified", X, true);

    18   textNode.data += 'B';

    19   document.removeEventListener("DOMCharacterDataModified", X, true);

    21   document.addEventListener("DOMAttrModified", Y, true);

    22   textNode.data += String.fromCharCode(0xDF53); // low surrogate

    23   document.removeEventListener("DOMAttrModified", Y, true);

    24 }

    26 </script>

    27 </head>

    29 <body onload="boom();"><div id="v"></div></body>

    31 </html>

The Tor Browser / file revision