// Create the query string by hand // #docregion import { Injectable } from '@angular/core'; import { Jsonp } from '@angular/http'; @Injectable() export class WikipediaService { constructor(private jsonp: Jsonp) { } // TODO: Add error handling search(term: string) { let wikiUrl = 'http://en.wikipedia.org/w/api.php'; // #docregion query-string let queryString = `?search=${term}&action=opensearch&format=json&callback=JSONP_CALLBACK`; return this.jsonp .get(wikiUrl + queryString) .map(response => response.json()[1]); // #enddocregion query-string } }