add to local storage javascript code example

Example 1: how to add variable to local storage in javascript

localStorage.setItem('key', 'value')

Example 2: local storage javascript

localStorage.setItem('user_name', 'Rohit'); //store a key/value
var retrievedUsername = localStorage.getItem('user_name'); //retrieve the key

Example 3: javascript localstorage

var KeyName = window.localStorage.key(index);