editing/execCommand/format-block-contenteditable-false.html

<!DOCTYPE html>
<html>
<head>
    <script src="../../resources/dump-as-markup.js"></script>
</head>
<body>
    <div id="editorcontainer" contenteditable="true">
        Will select from here
        <div contenteditable="false">
            over this contenteditable=false div
        </div>
        until here.
    </div>
</body>
<script>
    Markup.description('formatblock on selection with a contenteditable="false" child.');
    
    var selection = window.getSelection();
    selection.removeAllRanges();

    var container = document.getElementById('editorcontainer');
    var range = document.createRange()
    range.setStartBefore(container.firstChild);
    range.setEndAfter(container.lastChild);
    selection.addRange(range);

    document.execCommand('italic', false, "");
    document.execCommand('formatblock', false, "<h1>");

    Markup.dump(container);
</script>
</html>