how does sessions storage work code example

Example 1: session storage

// 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: clear session storage on refresh

window.onunload = function () {
	sessionStorage.removeItem('key');
}