How to Declare Global Variable in Angular 9/8?

How to Declare Global Variable in Angular 9/8?

In this post we will give you information about How to Declare Global Variable in Angular 9/8?. Hear we will give you detail about How to Declare Global Variable in Angular 9/8?And how to use it also give you demo for it if it is necessary.

Today, i will show you how to create global variable in angular 9/8. we can define global variable in angular 9/8 application. i will give you simple example of global variables in angular 9/8.

We always need to declare global variable file for our angular 8 application because we can set some global variable there like site title, api url etc so you can easily access any where in our application easily.

So, in this example, we will create GlobalConstants file for adding global variables in our application. in that file i added two variables as apiURL and siteTitle. I will access those variable value in my AppComponent file. you can also access all the component as you want.

Now, bellow we will create GlobalConstants as like created bellow and We will use that variables as like used in AppComponent file.


export class GlobalConstants {

public static apiURL: string = "";

public static siteTitle: string = "This is example of";



import { Component, OnInit } from '@angular/core';

import{ GlobalConstants } from './common/global-constants';


selector: 'app-root',

templateUrl: './app.component.html',

styleUrls: ['./app.component.css']


export class AppComponent implements OnInit{

title = GlobalConstants.siteTitle;

constructor() {



ngOnInit() {




Now you can check this project and run it.

It will display as like bellow:


Also see:Angular 8 Multiple Image Upload with Preview

This is example of

Angular is running in the development mode. Call enableProdMode() to enable the production mode.


Live Reloading enabled.

I hope it can help you…

Hope this code and post will helped you for implement How to Declare Global Variable in Angular 9/8?. if you need any help or any feedback give it in comment section or you have good idea about this post you can give it comment section. Your comment will help us for help you more and improve us. we will give you this type of more interesting post in featured also so, For more interesting post and code Keep reading our blogs

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