Cordova/Ionic/Phonegap

i want to make a popup on my apps that will send user to download new app. Exexample: i have a app called APP1 so i want users to update that app, so from web panel or any json file from my host i will add the link of playstore or itunees or apk and then app will not work just will show a popup or a blank screen with a message click here to update. i want this to be simple coz i want to add to all my existing apps: example u can make all script in a js file and then i just will upload that js in my app and in [login to view URL] will add this <script src="[login to view URL]"></script>