FCM#70 - CRUD 5

function clearLocalStorage() {
	// if localStorage is already empty
	if (localStorage.length === 0) {

		// let the user know there is already nothing there
		alert('There is no data in localStorage to clear');

	} else { // if localStorage is not empty

		// make sure the user really wants to clear his localStorage
		if (window.confirm('Are you really sure you want to delete your entire localStorage')) {

			// clear local storage
			localStorage.clear();

			// display data again
			displayData();
		}
	}
}