gistfile1.txt

javascript:(Ext.ComponentManager.each(function(c) {
    c = Ext.getCmp(c);
    if (c.isContainer && !c.isHeader && !c.isXType('tablepanel') && !c.isXType('headercontainer') && !c.hasCls('x-fieldset-header') && c.items.items.length === 1) {
        console.log(c.id + ' only contains 1 child: check for overnesting');
        c.rendered && c.el.frame('red');
    }
}));