import {Component, OnInit} from '@angular/core'; @Component({ selector: 'sitePageAsideAndMain', templateUrl: './template.html', styleUrls: ['./style.less'] }) export default class SitePageAsideAndMain implements OnInit { private data = {}; private otherData: any = { open: false }; ngOnInit(): void { } switch() { this.otherData.open = !this.otherData.open; } }