Polyfill fill for localStorage and sessionStorage

polyfill_storage.js

(function(){
  try {
    window.__ls = {};
    window.localStorage.setItem = function (id, val) { return window.__ls[id] = String(val); };
    window.localStorage.getItem = function (id) { return window.__ls.hasOwnProperty(id) ? window.__ls[id] : undefined; };
    window.localStorage.removeItem = function (id) { return delete window.__ls[id]; };
    window.localStorage.clear = function () { return window.__ls = {} };
    console.log('localStorage lap of luxury!');
  } catch (e) {
    console.log('Reset localStorage failed!');
  }
  try {
    window.__ss = {};
    window.sessionStorage.setItem = function (id, val) { return window.__ss[id] = String(val); };
    window.sessionStorage.getItem = function (id) { return window.__ss.hasOwnProperty(id) ? window.__ss[id] : undefined; };
    window.sessionStorage.removeItem = function (id) { return delete window.__ss[id]; };
    window.sessionStorage.clear = function () { return window.__ss = {} };
    console.log('sessionStorage success!');
  } catch (e) {
    console.log('Reset sessionStorage failed!');
  }
})();

polyfill_storage_setModernizr.js

if (!Modernizr.localstorage) {
	var setTemporaryLocalStorage = function() {
		try {
		    window.__ls = window.__ls || {};
		    window.localStorage.setItem = function (id, val) { return window.__ls[id] = String(val); };
		    window.localStorage.getItem = function (id) { return window.__ls.hasOwnProperty(id) ? window.__ls[id] : undefined; };
		    window.localStorage.removeItem = function (id) { return delete window.__ls[id]; };
		    window.localStorage.clear = function () { return window.__ls = {} };
		    return true;
		} catch (e) {
		    return false;
		}
	};
	Modernizr.localstorage = setTemporaryLocalStorage();
}
if (!Modernizr.sessionstorage) {
	var setTemporarySessionStorage = function() {
		try {
		    window.__ss = window.__ss || {};
		    window.sessionStorage.setItem = function (id, val) { return window.__ss[id] = String(val); };
		    window.sessionStorage.getItem = function (id) { return window.__ss.hasOwnProperty(id) ? window.__ss[id] : undefined; };
		    window.sessionStorage.removeItem = function (id) { return delete window.__ss[id]; };
		    window.sessionStorage.clear = function () { return window.__ss = {} };
		    return true;
		} catch (e) {
		    return false;
		}
	};
	Modernizr.sessionstorage = setTemporarySessionStorage();
}