<?xml version="1.0"?>

<svg xmlns="http://www.w3.org/2000/svg">
<script>
<![CDATA[

function boom()
{
    var svgText = document.createElementNS("http://www.w3.org/2000/svg", "text");
    document.documentElement.appendChild(svgText);
    var text1 = document.createTextNode("A");
    svgText.appendChild(text1);
    var text2 = document.createTextNode("");
    svgText.appendChild(text2);
    document.caretPositionFromPoint(0, 0);
    setTimeout(function() {
        text2.data = "B";
        document.caretPositionFromPoint(0, 0);
    }, 0);
}

window.addEventListener("load", boom, false);

]]>
</script>
</svg>