what is local storage and session storage in javascript code example

Example 1: how to set session storage in javascript

// Save data to sessionStorage
sessionStorage.setItem('key', 'value');

// Get saved data from sessionStorage
let data = sessionStorage.getItem('key');

// Remove saved data from sessionStorage
sessionStorage.removeItem('key');

// Remove all saved data from sessionStorage
sessionStorage.clear();

Example 2: javascript save data to local storage

// Store
localStorage.lastname = "Smith";
// Retrieve
document.getElementById("result").innerHTML = localStorage.lastname;
// Remove
localStorage.removeItem("lastname");

Example 3: what is local storage and session storage in javascript

//localStorage - stores data with no expiration date. window. sessionStorage - stores data for one session (data is lost when the browser tab is closed)