how to setItem and getItem in javascript in localStorage code example

Example 1: how to setItem and getItem in javascript in localStorage

function set(){
    var sendJSON = JSON.stringify(allMovie);
    localStorage.setItem('allMovie',sendJSON)
}

function get(){
    var getJSON = localStorage.getItem('allMovie');
    if (getJSON){
        allMovie = JSON.parse(getJSON)
    }

}

Example 2: how to get data from localstorage in javascript

//localStorage is an object, so values are stored by key name
//data from localStorage is always stored in strings
//usually the values at each key are stringified objects in JSON format, therefore we must parse them
var data = JSON.parse(localStorage.getItem("key name"));//make sure the "key name" exists in the localStorage

Example 3: javascript localstorage

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

Example 4: get localstorage value

localStorage.getItem('bgcolor');