How to get the parent menu item details on selecting menu items

 
<ul id="menu"></ul>
        

import { enableRipple } from '@syncfusion/ej2-base';
enableRipple(true);
import { Menu, MenuItemModel } from '@syncfusion/ej2-navigations';
    
 // Menu items definition 
let menuItems: MenuItemModel[] = [
    {
        text: 'File',
        iconCss: 'em-icons e-file',
        items: [
            { text: 'Open', iconCss: 'em-icons e-open' },
            { text: 'Save', iconCss: 'e-icons e-save' },
            { separator: true },
            { text: 'Exit' }
        ]
    },
    {
        text: 'Edit',
        iconCss: 'em-icons e-edit',
        items: [
            { text: 'Cut', iconCss: 'em-icons e-cut' },
            { text: 'Copy', iconCss: 'em-icons e-copy' },
            { text: 'Paste', iconCss: 'em-icons e-paste' }
        ]
    },
    {
        text: 'View',
        items: [
            {
                text: 'Toolbars',
                items: [
                    { text: 'Menu Bar' },
                    { text: 'Bookmarks Toolbar' },
                    { text: 'Customize' },
                ]
            },
            {
                text: 'Zoom',
                items: [
                    { text: 'Zoom In' },
                    { text: 'Zoom Out' },
                    { text: 'Reset' },
                ]
            },
            { text: 'Full Screen' }
        ]
    },
    {
        text: 'Tools',
        items: [
            { text: 'Spelling & Grammar' },
            { text: 'Customize' },
            { separator: true },
            { text: 'Options' }
        ]
    },
    {
        text: 'Help'
    }
];
// Menu initialization
new Menu({ items: menuItems,
  select: (args) => {
    if (args.item.parentObj.text) {
    alert(args.item.parentObj.text + "/" + args.item.text);
    }
  }
}, '#menu');