getitem localstorage

function get(){
    var getJson = localStorage.getItem('key')
    if(getJson){
        arrayName = JSON.parse(getJson)
    }
}

//The following snippet accesses the current domain's local Storage object 
//and adds a data item to it using Storage.setItem().
localStorage.setItem('myCat', 'Tom');

//The syntax for reading the localStorage item is as follows:
const cat = localStorage.getItem('myCat');

//The syntax for removing the localStorage item is as follows:
localStorage.removeItem('myCat');

//The syntax for removing all the localStorage items is as follows:
localStorage.clear();

var pull=JSON.parse(localStorage.getItem('data'))
for(var i=0; i<pull.length; i++){
    new ConstrcterName(pull[i].AnyName, pull[i].AnyName, pull[i].AnyName)
}
for(var o=0; o<arrayName.length; o++){
    ArrayName[o].getRandom();
    ArrayName[o].showRow();

var pull=JSON.parse(localStorage.getItem('data'))
for(var i=0; i<pull.length; i++){
    new arrayName(pull[i].AnyName, pull[i].AnyName, pull[i].AnyName)

// localStorage--> userName: 'jon'
var userName = localStorage.getItem('userName');
// userName --> jon