Angular 2 : No NgModule metadata found

Question

I\'m brand new to Angular 2 and attempting to follow along with a video tutorial I found. Despite following all of the steps, Angular just won\'t work; I get the following e

Answer 1

I'll give you few suggestions.Remove all these as mentioned below

1)(index.html)  //<<<===not sure as Angular2.0 final version doesn't require this.

2)platform.bootstrapModule(App); (main.ts)

3)import { NgModule } from '@angular/core'; (app.ts)