How to declare a global variable in Angular 2?
The simplest way is to put the variables in a file and export them. In order to use global variables, you can use an import statement.
// ===== This File is as globalfile.ts
// 'use strict';
export const name='bestinterviewquestion.com';
After that we can export this file where we want to use these global variables value.
import * as myGlobalsFile from './globalfile';