ouseOut="HideTip('tt11')">mxUtils.clone</a> and turned into a string for debugging using <a href="../util/mxUtils-js.html#mxUtils.toString" class=LFunction id=link13 onMouseOver="ShowTip(event, 'tt12', 'link13')" onMouseOut="HideTip('tt12')">mxUtils.toString</a>.</p><h4 class=CHeading>Default Styles</h4><p>The stylesheet contains two built-in styles, which are used if no style is defined for a cell:</p><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>defaultVertex</t