How to create a singleton service in Angular 2? – InterviewSolution

1.

How to create a singleton service in Angular 2?

Answer»

Here is the steps to CREATE a singleton service-

Import the injectable member using import {Injectable} from '@angular/core';
Import the HttpModule, HTTP and Response members’ as import { HttpModule, Http, Response } from '@angular/http';
Add the decorator @Injectable()
EXPORT –
export class UserService {
constructor(private _http: Http) { }
}

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