jQuery Mobile Tutorial 3.1.1 - http://ctoinsights.wordpress.com/2012/01/03/jquery-mobile-tutorial-part-iii-managing-data/

shareqr3.1.1.js

// Retrieve a list of URLs from the local storage. 
// Use defaults if storage has not been initialized yet.
// URLs are serialized using JSON for storage.
function getMyUrls() {
	var myUrls;
	var storedUrls = localStorage.getItem("myUrls");
	if (storedUrls) {
		// Deserialize URLs
		myUrls = JSON.parse(storedUrls);
	}
	else {
		// Initialize defaults
		myUrls = [encodeURIComponent("http://ctoinsights.wordpress.com"), encodeURIComponent("http://www.book-current.com")];
		localStorage.setItem("myUrls", JSON.stringify(myUrls));
	}
	return myUrls;
}