import { Component, OnInit, OnDestroy } from '@angular/core' import { Person, SearchService } from '../shared' import { ActivatedRoute } from '@angular/router' import { Subscription } from 'rxjs' @Component({ selector: 'app-search', templateUrl: './search.component.html', styleUrls: ['./search.component.css'] }) export class SearchComponent implements OnInit, OnDestroy { query: string searchResults: Array sub: Subscription constructor( private searchService: SearchService, private route: ActivatedRoute ) {} ngOnInit() { this.sub = this.route.params.subscribe(params => { if (params['term']) { this.query = decodeURIComponent(params['term']) this.search() } }) } search(): void { this.searchService.search(this.query).subscribe( (data: any) => { this.searchResults = data }, error => console.log(error) ) } ngOnDestroy() { if (this.sub) { this.sub.unsubscribe() } } } async function asyncCall() { var result = await resolveAfter2Seconds(); } for (let i=0; i <10; i++) { continue; } if (true) {} while (true) {} switch(2) { case 2: break; default: break; }