Dylan Strijker Dylan Strijker - 1 year ago 73
Javascript Question

local storage items after refresh page

<!DOCTYPE html>
<button onclick="myFunction();">Fav Number</button>
<div id="result"></div>
<!--This code works on chrome-->

function myFunction() {
// Check browser support
if (typeof(Storage) !== "undefined") {
// Store
var a = prompt("fav number");
localStorage.setItem("lastname", a);
// Retrieve
document.getElementById("result").innerHTML = localStorage.getItem("lastname");
} else {
document.getElementById("result").innerHTML = "Sorry, your browser does not support Web Storage...";



is it possible to get local storage items back when you refresh the page?
and if so, how?



Answer Source

Getting and setting localStoragedata. In following example the data to set is a Object (which is handled by JSON.stringify). If need to persist a string / intthere is no need in using JSON.stringify.

var dataObject = { 'item1': 1, 'item2': 2, 'item3': 3 };

// Set localStorage item
localStorage.setItem('dataObject', JSON.stringify(dataObject));

// Retrieve the object from localStorage
var retrievedObject = localStorage.getItem('dataObject');

// console.log retrieved item
console.log('retrieved data Object: ', JSON.parse(retrievedObject));

By getting localStorage data when needed, there no need to handle the page refresh part. The localStorage data is fetched when needed by application functions and logics.

Recommended from our users: Dynamic Network Monitoring from WhatsUp Gold from IPSwitch. Free Download