var customFloatingObject = new spreadNS.FloatingObjects.FloatingObject("f0");
customFloatingObject.startRow(1);
customFloatingObject.startColumn(1);
customFloatingObject.endColumn(2);
customFloatingObject.endRow(2);
var div = document.createElement('div');
div.innerHTML = "<span>Spread.Sheets support FloatingObject.</span><div style='border: 1px dotted red; width: 80%; margin:auto;'><ul><li>I am list one.</li><li>I am list two.</li><li>I am list three.</li></ul></div>";