Using Local Storage

The Web Storage API for JavaScript provides mechanisms for browsers to store key/value pairs. For each web browser, the size of data that can be stored in web storage is at least 5 MB per origin. The localStorage mechanism is defined in the Web Storage API for JavaScript. We need to use JS interop to access the application’s Local Storage because the Web Storage API requires the use of JavaScript.

The application’s Local Storage is scoped to a particular URL. If the user reloads the page or closes and re-opens the browser, the contents of Local Storage are retained. If the user Local Storage multiple tabs, each tab shares the same Local Storage. The data in Local Storage is retained until it is explicitly cleared since it does not have an expiration date.

IMPORTANT NOTE

Data in a localStorage object that is created when using an InPrivate window or Incognito window is cleared when the last tab is closed.

These are the methods of localStorage:

• key...