affichage manifeste autonome

-----Web App Manifest ----------------------------------------------
{
  "display" : "standalone"
}
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The application will look and feel like a standalone application. 
This can include the application having a different window, its own
icon in the application launcher, etc. In this mode, the user agent
will exclude UI elements for controlling navigation, but can include
other UI elements such as a status bar.
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KostasX