Local Storage example

localstorage-strings.js

if (!window.localStorage) {
  alert("Your browser doesn't support local storage!");
}
 
// method based approach
localStorage.setItem('textSize', 'giant');
localStorage.getItem('textSize'); // => "giant"
 
// index accessor approach
localStorage['selectedTab'] = 'preferences'
localStorage['selectedTab'] // => "preferences"
 
// even as an object property
localStorage.selectedTab = "posts"
localStorage.selectedTab // => "posts"