Using Local storage or jquery cookie

localstorage.js

tab.Storage = _.extend({
    setItem: function (itemID, value) {
        if('localStorage' in window && window['localStorage'] !== null){
            localStorage.setItem(itemID, value);
        }else{
            $.cookie(itemID, value, { path: '/' });
        }
    },
    getItem: function (itemID) {
        if('localStorage' in window && window['localStorage'] !== null){
            return localStorage.getItem(itemID);
        }else{
            return $.cookie(itemID);
        }
    },
    clear: function (){
        if('localStorage' in window && window['localStorage'] !== null){
            localStorage.clear();
        }else{
            $.clearCookies();
        }
    }
});