angularjs2

1. Making asynchronous calls to services.

getActualVisits() {

    return this.http.get("http://localhost:1234/app/visits")

        .map(response => response.json())

        .subscribe(

            data => this.actualVisits = data,

            err => this.logError(err),

            () => console.log('get actual visits complete')

);

map operator needs to be imported from rxjs.

Angular CLI-

Installation-

npm install -g @angular/cli

Create angular2 project-

ng new PROJECTNAME

Add a component, service to project-

ng generate component COMPONENTNAME

ng generate service SERVICENAME

Run project-

ng serve

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