div1.firstChild, 6);
        document.execCommand('insertUnorderedList');
        println(div1.innerHTML);

        // De-unordered list 'foobar'
        const div2 = document.querySelector('#d2');
        range.setStart(div2.firstChild.firstChild.firstChild, 0);
        range.setEnd(div2.firstChild.firstChild.firstChild, 6);
        document.execCommand('insertUnorderedList');
        println(div2.innerHTML);

        // Change type of list
        const div3 = document.querySelector('#d3');
        range.