Javascript “聚合物”下拉列表中选定的项目已更改

Javascript “聚合物”下拉列表中选定的项目已更改,javascript,polymer,polymer-1.0,Javascript,Polymer,Polymer 1.0,尝试清除整个属性并再次设置,但没有帮助 this.notifyPath('selectedEmployee.name', selectedEmployee.name); paper下拉菜单selected item changed在选中的paper item中查找文本,该文本在调试时显示旧名称 如何触发要重新绘制的选定标签 this.notifyPath('selectedEmployee.name', selectedEmployee.name); this.set('selectedEm

尝试清除整个属性并再次设置,但没有帮助

this.notifyPath('selectedEmployee.name', selectedEmployee.name);
paper下拉菜单
selected item changed在选中的
paper item
中查找文本,该文本在调试时显示旧名称

如何触发要重新绘制的选定标签

this.notifyPath('selectedEmployee.name', selectedEmployee.name);
this.set('selectedEmployee', null);
this.set('selectedEmployee', employees[1].id); //new selected employee instance with different name