localstorage
// using in HTML5 (frontend)
// set
localStorage.setItem('users', 'vilh'); 
users = [
	{
    	id: 1,
        name: 'vilh',
    },
    {
    	id: 2,
        name: 'zidane'
    },
]
// set string 
localStorage.setItem('users', users);	// stored objects
localStorage.setItem('users', JSON.stringify(users));	// stored string
// get
var retrievedUsername = localStorage.getItem('users');
