# randomSwitchBtn(index,name) ``` // 随意切换按钮 function randomSwitchBtn(index,name) { $api.removeCls($api.dom('#aui-footer li.active-danger'),'active-danger'); $api.addCls($api.byId(''+name+''),'active-danger'); api.setFrameGroupIndex({ name: 'indexGroup', index: index }); } ```