what is manifest.json code example

Example 1: manifest for pwa

{  "short_name": "WAM",  "name": "Web App Manifest",  "theme_color": "#eb5252",  "background_color": "#000000",  "display": "fullscreen",  "Scope": "/",  "orientation": "portrait",  "icons": [    {      "src": "images/android/android-launchericon-48-48.png",      "type": "image/png",      "sizes": "48x48"    },    {      "src": "images/android/android-launchericon-96-96.png",      "type": "image/png",      "sizes": "96x96"    },    {      "src": "images/android/android-launchericon-192-192.png",      "type": "image/png",      "sizes": "192x192"    }  ],  "start_url": "index.html?utm_source=homescreen"}

Example 2: manifest.json basic structure

//this is the basic structure of the manifest.json of browser extensions
{
    "name":"demo",
    "version":"1.1",
    "manifest_version":2,

    "description":"a demo extesion for learning purpose",
    "browser_action":{
        "default_title":"a demo title",
        "default_popup":"popup.html"
    },
    "permissions": ["http://*", "https://*" ]
}

Example 3: manifest.json

# manifest.json in your react project inside public folder

This provides application metadata for Progressive Web Apps. For
example, the file allows installation of your application on a mobile phone’s home
screen, similar to native apps. It contains the app name, icons, theme colors, and other
data needed to make your app installable.